Updated common

- Added noreturn
- Fixed include guard

src/common.c

@@ -3,10 +3,11 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdnoreturn.h>
 
 const char *argv0;
 
-void
+noreturn void
 die(char *fmt, ...)
 {
 	fprintf(stderr, "%s: ", argv0);

src/common.h

@@ -1,14 +1,16 @@
-#ifndef UTILITY_H
-#define UTILITY_H
+#ifndef COMMON_H
+#define COMMON_H
+
+#include <stdnoreturn.h>
 
 #define SOCK_ENV_VAR  "KIWMI_SOCKET"
 #define SOCK_DEF_PATH "/tmp/kiwmi.sock"
 
 #define CONFIG_FILE "kiwmi/kiwmirc"
 
-void die(char *fmt, ...);
+noreturn void die(char *fmt, ...);
 void warn(char *fmt, ...);
 
 extern const char *argv0;
 
-#endif /* UTILITY_H */
+#endif /* COMMON_H */