Fix windows build

src/include/switch_utils.h

@@ -648,7 +648,7 @@ SWITCH_DECLARE(int) switch_number_cmp(const char *exp, int val);
   \return 1 if successfull
   \note Extended formats protocol:user@domain:port (Example: sip:toto@example.org)
 */
-int switch_split_user_domain(char *in, char **user, char **domain);
+SWITCH_DECLARE(int) switch_split_user_domain(char *in, char **user, char **domain);
 
 /* malloc or DIE macros */
 #ifdef NDEBUG

src/switch_utils.c

@@ -2349,7 +2349,7 @@ SWITCH_DECLARE(int) switch_number_cmp(const char *exp, int val)
 
 }
 
-int switch_split_user_domain(char *in, char **user, char **domain)
+SWITCH_DECLARE(int) switch_split_user_domain(char *in, char **user, char **domain)
 {
 	char *p = NULL, *h = NULL, *u = in;