Fix compile error on MinGW, bug887.

src/VlcMain.cpp

@@ -21,6 +21,8 @@
 // Cheat for speed and compile .cpp files into one object
 #define _V3ERROR_NO_GLOBAL_ 1
 #include "V3Error.cpp"
+#include "V3String.cpp"
+#include "V3Os.cpp"
 #include "VlcTop.cpp"
 
 #include "VlcOptions.h"
@@ -130,19 +132,6 @@ void VlcOptions::showVersion(bool verbose) {
     cout << "See http://www.veripool.org/verilator for documentation\n";
 }
 
-//######################################################################
-// File searching
-// (TODO: Make a V3Os with these functions and share with Verilator)
-
-string VlcOptions::filenameNonDir (const string& filename) {
-    string::size_type pos;
-    if ((pos = filename.rfind("/")) != string::npos) {
-	return filename.substr(pos+1);
-    } else {
-	return filename;
-    }
-}
-
 //######################################################################
 
 int main(int argc, char** argv, char** env) {