Move missing.h to shared directory

Makefile.am

@@ -55,9 +55,9 @@ lib_LTLIBRARIES = libkmod/libkmod.la
 
 libkmod_libkmod_la_SOURCES =\
 	shared/macro.h \
+	shared/missing.h \
 	libkmod/libkmod.h \
 	libkmod/libkmod-internal.h \
-	libkmod/missing.h \
 	libkmod/libkmod.c \
 	libkmod/libkmod-list.c \
 	libkmod/libkmod-config.c \

libkmod/libkmod-internal.h

@@ -6,8 +6,8 @@
 #include <limits.h>
 
 #include <shared/macro.h>
+#include <shared/missing.h>
 
-#include "missing.h"
 #include "libkmod.h"
 
 static _always_inline_ _printf_format_(2, 3) void

libkmod/libkmod-signature.c

@@ -24,8 +24,9 @@
 #include <string.h>
 #include <stdio.h>
 
+#include <shared/missing.h>
+
 #include "libkmod-internal.h"
-#include "missing.h"
 
 /* These types and tables were copied from the 3.7 kernel sources.
  * As this is just description of the signature format, it should not be