Move OpenBSD's pledge syscall to "src/main.c"

src/dwm.c

@@ -291,12 +291,6 @@ int dwm_main()
 		fatal("cannot setup");
 	}
 
-#ifdef __OpenBSD__
-	if (pledge("stdio rpath proc exec", NULL) == -1) {
-		fatal("pledge");
-	}
-#endif /* __OpenBSD__ */
-
 	scan();
 	run();
 	cleanup();

src/main.c

@@ -4,6 +4,7 @@
 
 #include <locale.h>
 #include <stdarg.h>
+#include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -27,6 +28,12 @@ int main(int argc, char *argv[])
 		warning("no locale support");
 	}
 
+#ifdef __OpenBSD__
+	if (pledge("stdio rpath proc exec", NULL) == -1) {
+		fatal("pledge");
+	}
+#endif // __OpenBSD__
+
 	return dwm_main(argc, argv);
 }