Fix print_var calls: new fmt, indent, etc.

Changed print_var calls to correctly use new arguments:
 - fmt
 - indent
 - col1_width

Change-Id: If80088d5b69865074fd510421b918da7fd8e874e
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/lib/var_stack.py b/lib/var_stack.py
index 5bb56a7..f09845c 100644
--- a/lib/var_stack.py
+++ b/lib/var_stack.py
@@ -92,7 +92,8 @@
 
         buffer += self.__obj_name + ":\n"
         indent = 2
-        buffer += gp.sprint_varx('stack_dict', self.__stack_dict, 1, indent)
+        buffer += gp.sprint_varx('stack_dict', self.__stack_dict, gp.terse(),
+                                 indent)
 
         return buffer