depbuild.cpp zsnes patch

--- a/tools/depbuild.cpp
+++ b/tools/depbuild.cpp
@@ -24,6 +24,8 @@
 #include <iostream>
 #include <string>
 #include <cstdio>
+#include <stdlib.h>
+#include <unistd.h>
 using namespace std;

 #include "fileutil.h"
@@ -183,7 +185,7 @@
   }
 }

-int main(size_t argc, const char *const *const argv)
+int main(int argc, const char *const *const argv)
 {
   if (argc < 5)
   {