win32: add InitialSnapshotFilename support.

gtk/src/gtk_config.cpp

@@ -260,7 +260,6 @@ Snes9xConfig::load_defaults (void)
     Settings.InterpolationMethod = DSP_INTERPOLATION_GAUSSIAN;
     Settings.HDMATimingHack = 100;
     Settings.SuperFXClockMultiplier = 100;
-    Settings.InitialSnapshotFilename[0] = '\0';
 #ifdef ALLOW_CPU_OVERCLOCK
     Settings.MaxSpriteTilesPerLine = 34;
     Settings.OneClockCycle = 6;

snes9x.cpp

@@ -416,6 +416,7 @@ void S9xLoadConfigFiles (char **argv, int argc)
 	}
 
 	rom_filename = conf.GetStringDup("ROM::Filename", NULL);
+	Settings.InitialSnapshotFilename[0] = '\0';
 
 	// Sound
 

win32/wsnes9x.cpp

@@ -3521,6 +3521,11 @@ int WINAPI WinMain(
 		{
 			LoadROM(rom_filename);
 		}
+
+		if (*Settings.InitialSnapshotFilename)
+		{
+			S9xUnfreezeGame(Settings.InitialSnapshotFilename);
+		}
 	}
 
 	S9xUnmapAllControls();