edje: fix edje_watch compilation on Windows.

configure.ac

@@ -3365,6 +3365,10 @@ AC_SUBST([want_physics])
 
 ### Checks for header files
 
+AC_CHECK_HEADERS([ \
+sys/wait.h \
+])
+
 ### Checks for types
 
 ### Checks for structures

src/bin/edje/edje_watch.c

@@ -2,13 +2,19 @@
 # include "config.h"
 #endif
 
-#include <sys/wait.h>
+#ifdef HAVE_SYS_WAIT_H
+# include <sys/wait.h>
+#endif
 
+#ifdef HAVE_EVIL
+# include <Evil.h>
+#endif
 #include <Eina.h>
 #include <Ecore.h>
 #include <Eio.h>
-#ifdef HAVE_EVIL
-# include <Evil.h>
+
+#ifdef _WIN32
+# define WEXITSTATUS(r) r
 #endif
 
 static char watchfile[PATH_MAX];