Fix a couple of gcc warnings in picomodel library, check MDx magic ex…

…plicitly.

libs/picomodel/picointernal.c

@@ -46,6 +46,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 /* dependencies */
 #include <string.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include "picointernal.h"
 
 

libs/picomodel/pm_md2.c

@@ -49,7 +49,7 @@ Nurail: Used pm_md3.c (Randy Reddig) as a template.
 #endif
 
 /* md2 model format */
-#define MD2_MAGIC				"IDP2"
+static const char* MD2_MAGIC =  "IDP2";
 #define MD2_VERSION				8
 
 #define MD2_NUMVERTEXNORMALS	162
@@ -315,8 +315,11 @@ static int _md2_canload( PM_PARAMS_CANLOAD )
 	md2 = (md2_t*) buffer;
 
 	/* check md2 magic */
-	if( *((int*) md2->magic) != *((int*) MD2_MAGIC) )
+	if (md2->magic[0] != MD2_MAGIC[0] || md2->magic[1] != MD2_MAGIC[1] ||
+		md2->magic[2] != MD2_MAGIC[2] || md2->magic[3] != MD2_MAGIC[3])
+    {
 		return PICO_PMV_ERROR_IDENT;
+    }
 
 	/* check md2 version */
 	if( _pico_little_long( md2->version ) != MD2_VERSION )
@@ -359,7 +362,9 @@ static picoModel_t *_md2_load( PM_PARAMS_LOAD )
 	md2	= (md2_t*) buffer;
 
 	/* check ident and version */
-	if( *((int*) md2->magic) != *((int*) MD2_MAGIC) || _pico_little_long( md2->version ) != MD2_VERSION )
+	if (md2->magic[0] != MD2_MAGIC[0] || md2->magic[1] != MD2_MAGIC[1] ||
+		md2->magic[2] != MD2_MAGIC[2] || md2->magic[3] != MD2_MAGIC[3] || 
+		_pico_little_long(md2->version) != MD2_VERSION)
 	{
 		/* not an md2 file (todo: set error) */
 		_pico_printf( PICO_ERROR, "%s is not an MD2 File!", fileName );

libs/picomodel/pm_md3.c

@@ -45,7 +45,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 /* md3 model format */
-#define MD3_MAGIC			"IDP3"
+static const char* MD3_MAGIC = "IDP3";
 #define MD3_VERSION			15
 
 /* md3 vertex scale */
@@ -159,8 +159,11 @@ static int _md3_canload( PM_PARAMS_CANLOAD )
 	md3	= (md3_t*) buffer;
 
 	/* check md3 magic */
-	if( *((int*) md3->magic) != *((int*) MD3_MAGIC) )
+    if (md3->magic[0] != MD3_MAGIC[0] || md3->magic[1] != MD3_MAGIC[1] ||
+		md3->magic[2] != MD3_MAGIC[2] || md3->magic[3] != MD3_MAGIC[3])
+    {
 		return PICO_PMV_ERROR_IDENT;
+    }
 
 	/* check md3 version */
 	if( _pico_little_long( md3->version ) != MD3_VERSION )
@@ -208,7 +211,9 @@ static picoModel_t *_md3_load( PM_PARAMS_LOAD )
 	md3	= (md3_t*) buffer;
 
 	/* check ident and version */
-	if( *((int*) md3->magic) != *((int*) MD3_MAGIC) || _pico_little_long( md3->version ) != MD3_VERSION )
+    if (md3->magic[0] != MD3_MAGIC[0] || md3->magic[1] != MD3_MAGIC[1] ||
+		md3->magic[2] != MD3_MAGIC[2] || md3->magic[3] != MD3_MAGIC[3] || 
+		_pico_little_long( md3->version ) != MD3_VERSION)
 	{
 		/* not an md3 file (todo: set error) */
 		return NULL;

libs/picomodel/pm_mdc.c

@@ -43,7 +43,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "picointernal.h"
 
 /* mdc model format */
-#define MDC_MAGIC			"IDPC"
+static const char* MDC_MAGIC = "IDPC";
 #define MDC_VERSION			2
 
 /* mdc vertex scale */
@@ -431,8 +431,11 @@ static int _mdc_canload( PM_PARAMS_CANLOAD )
 	mdc	= (mdc_t*) buffer;
 
 	/* check mdc magic */
-	if( *((int*) mdc->magic) != *((int*) MDC_MAGIC) )
+    if (mdc->magic[0] != MDC_MAGIC[0] || mdc->magic[1] != MDC_MAGIC[1] ||
+		mdc->magic[2] != MDC_MAGIC[2] || mdc->magic[3] != MDC_MAGIC[3])
+    {
 		return PICO_PMV_ERROR_IDENT;
+    }
 
 	/* check mdc version */
 	if( _pico_little_long( mdc->version ) != MDC_VERSION )
@@ -483,7 +486,9 @@ static picoModel_t *_mdc_load( PM_PARAMS_LOAD )
 	mdc	= (mdc_t*) buffer;
 
 	/* check ident and version */
-	if( *((int*) mdc->magic) != *((int*) MDC_MAGIC) || _pico_little_long( mdc->version ) != MDC_VERSION )
+    if (mdc->magic[0] != MDC_MAGIC[0] || mdc->magic[1] != MDC_MAGIC[1] ||
+		mdc->magic[2] != MDC_MAGIC[2] || mdc->magic[3] != MDC_MAGIC[3] || 
+		_pico_little_long( mdc->version ) != MDC_VERSION)
 	{
 		/* not an mdc file (todo: set error) */
 		return NULL;