propagate only necessary root flags to TApplication.

src/musrview.cpp

@@ -302,12 +302,14 @@ int main(int argc, char *argv[])
 
   if (result == PMUSR_SUCCESS) {
     // generate Root application needed for PMusrCanvas
+    int cc=0;
+    char **arg;
     if (graphicsOutput || asciiOutput) {
-      argv[argc] = (char*)malloc(16*sizeof(char));
-      strcpy(argv[argc], "-b");
-      argc++;
+      arg[cc] = (char*)malloc(16*sizeof(char));
+      strcpy(arg[cc], "-b");
+      cc++;
     }
-    TApplication app("App", &argc, argv);
+    TApplication app("App", &cc, arg);
 
     std::vector<PMusrCanvas*> canvasVector;
     PMusrCanvas *musrCanvas;