Fixed cross-platform issues.
diff --git a/Makefile.pl b/Makefile.pl
index cec11a2..b3a5653 100755
--- a/Makefile.pl
+++ b/Makefile.pl
@@ -201,7 +201,7 @@
         print "-- Installing $TOOL_PATH\n";
         mkpath($EXE_PATH);
         writeFile($EXE_PATH."/".$TOOL_SNAME, $Content);
-        chmod(0775, $EXE_PATH."/".$TOOL_SNAME);
+        chmod(0755, $EXE_PATH."/".$TOOL_SNAME);
         
         if($Config{"osname"}=~/win/i) {
             writeFile($EXE_PATH."/".$TOOL_SNAME.".cmd", "\@perl \"$TOOL_PATH\" \%*");