Fix for mismatched fceu.cpp free()/malloc() error flagged by valgrind.

src/fceu.cpp

@@ -120,19 +120,23 @@ char romNameWhenClosingEmulator[2048] = {0};
 
 FCEUGI::FCEUGI()
 	: filename(0),
-	  archiveFilename(0) {
+	  archiveFilename(0) 
+{
 	//printf("%08x",opsize); // WTF?!
 }
 
-FCEUGI::~FCEUGI() {
+FCEUGI::~FCEUGI() 
-	if (filename) {
+{
-        free(filename);
+	if (filename) 
-        filename = NULL;
+	{
-    }
+		free(filename);
-	if (archiveFilename) {
+		filename = NULL;
-        delete archiveFilename;
+	}
-        archiveFilename = NULL;
+	if (archiveFilename) 
-    }
+	{
+		free(archiveFilename);
+		archiveFilename = NULL;
+	}
 }
 
 bool CheckFileExists(const char* filename) {