updated for version 7.3.303

Problem:    Compilation error.
Solution:   Correct return type from int to pid_t. (Danek Duvall)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    303,
 /**/
     302,
 /**/