Include some more system headers to make Solaris happy

diff --git a/ccache.h b/ccache.h
index 1a267ac32b9e4e3e8697019b9f626e6405a0ab74..15fd0f0c5e509fe7be6ed5dfad0deecbbc0597fe 100644 (file)
--- a/ccache.h
+++ b/ccache.h
@@ -6,7 +6,10 @@
 #include "config.h"
 #include "mdfour.h"
 
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <sys/file.h>
+#include <unistd.h>
 
 #ifdef __GNUC__
 #define ATTR_FORMAT(x, y, z) __attribute__((format (x, y, z)))