cleanup for valgrind.

Tag.h

@@ -23,8 +23,8 @@ namespace jet {
       Tag *local;
 
     protected:
-      bool hasContainer;
-      bool hasContainer2;
+      bool hasContainer = false;
+      bool hasContainer2 = false;
       bool variableDefined(coreutils::ZString variable);
       void parseContainer(coreutils::ZString &in, coreutils::MString &out);
       void processContainer(coreutils::ZString &container);

__call.cpp

@@ -15,6 +15,8 @@ namespace jet {
       if(!variableDefined("pgm"))
 	throw coreutils::Exception("pgm keyword must be specified.");
       resolveKeyword("pgm");
+      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");
@@ -25,7 +27,6 @@ namespace jet {
 	 } else
 	   break;
       }
-      argv[ix] == NULL;      
       pipe(fdo);
       pid = fork();
       if(pid == 0) {