Remove compilation errors from gcc on Solaris

memcached.h

@@ -470,7 +470,7 @@ void append_stat(const char *name, ADD_STAT add_stats, conn *c,
 enum store_item_type store_item(item *item, int comm, conn *c);
 
 #if HAVE_DROP_PRIVILEGES
-extern void drop_privileges();
+extern void drop_privileges(void);
 #else
 #define drop_privileges()
 #endif

solaris_priv.c

@@ -1,14 +1,15 @@
 #include <stdlib.h>
 #include <priv.h>
 #include <stdio.h>
+#include "memcached.h"
 
 /*
  * this section of code will drop all (Solaris) privileges including
  * those normally granted to all userland process (basic privileges). The
  * effect of this is that after running this code, the process will not able
  * to fork(), exec(), etc.  See privileges(5) for more information.
  */
-void drop_privileges() {
+void drop_privileges(void) {
    priv_set_t *privs = priv_str_to_set("basic", ",", NULL);
 
    if (privs == NULL) {

testapp.c

@@ -252,10 +252,10 @@ static enum test_return test_safe_strtol(void) {
 static pid_t start_server(in_port_t *port_out, bool daemon) {
     char environment[80];
     snprintf(environment, sizeof(environment),
-             "MEMCACHED_PORT_FILENAME=/tmp/ports.%u", getpid());
+             "MEMCACHED_PORT_FILENAME=/tmp/ports.%lu", (long)getpid());
     char *filename= environment + strlen("MEMCACHED_PORT_FILENAME=");
     char pid_file[80];
-    snprintf(pid_file, sizeof(pid_file), "/tmp/pid.%u", getpid());
+    snprintf(pid_file, sizeof(pid_file), "/tmp/pid.%lu", (long)getpid());
 
     remove(filename);
     remove(pid_file);