cleanup for valgrind.

__call.cpp

@@ -15,7 +15,9 @@ namespace jet {
       if(!variableDefined("pgm"))
 	throw coreutils::Exception("pgm keyword must be specified.");
       resolveKeyword("pgm");
-      argv[0] = variables["pgm"].c_str(); // TODO: Need to peel off the program name only and pass as argv[0].	   
+      for(ix = 0; ix <= 50; ++ix)
+	argv[ix] = NULL;
+      argv[0] = variables["pgm"].c_str(); // TODO: Need to peel off the program name only and pass as argv[0].
       for(ix = 1; ix <= 50; ++ix) {    
 	 coreutils::MString arg("arg");
 	 arg << ix;
@@ -25,7 +27,6 @@ namespace jet {
 	 } else
 	   break;
       }
-      argv[ix] == NULL;      
       pipe(fdo);
       pid = fork();
       if(pid == 0) {