A few small fixes for strict compiler settings.

Especially the fix in the header is important because it forces one to tone
down compile strictness if you want to include this header. Compiled with
gcc and added at least -Wextra -Werror -Wstrict-prototypes
-Wmissing-prototypes.

json-builder.c

@@ -39,7 +39,7 @@
     #define snprintf _snprintf
 #endif
 
-const static json_serialize_opts default_opts =
+static const json_serialize_opts default_opts =
 {
    json_serialize_mode_single_line,
    0,
@@ -99,7 +99,7 @@ const int f_spaces_after_commas    = (1 << 1);
 const int f_spaces_after_colons    = (1 << 2);
 const int f_tabs                   = (1 << 3);
 
-int get_serialize_flags (json_serialize_opts opts)
+static int get_serialize_flags (json_serialize_opts opts)
 {
    int flags = 0;
 
@@ -357,7 +357,7 @@ json_value * json_boolean_new (int b)
    return value;
 }
 
-json_value * json_null_new ()
+json_value * json_null_new (void)
 {
    json_value * value = (json_value *) calloc (1, sizeof (json_builder_value));
 

json-builder.h

@@ -107,7 +107,7 @@ json_value * json_string_new_nocopy (unsigned int length, json_char *);
 json_value * json_integer_new (json_int_t);
 json_value * json_double_new (double);
 json_value * json_boolean_new (int);
-json_value * json_null_new ();
+json_value * json_null_new (void);
 
 
 /*** Serializing