[PATCH] Fix obvious comment typo

[Jeff Law]

Just something I noticed while reviewing patches.

Installed onto the trunk as obvious.

Jeff

        * varpool.c (ctor_for_folding): Fix typo in comment.

diff --git a/gcc/varpool.c b/gcc/varpool.c
index 4f1658e..1e4c823 100644
--- a/gcc/varpool.c
+++ b/gcc/varpool.c
@@ -304,7 +304,7 @@ ctor_for_folding (tree decl)
       return DECL_INITIAL (real_decl);
     }
 
-  /* If thre is no constructor, we have nothing to do.  */
+  /* If there is no constructor, we have nothing to do.  */
   if (DECL_INITIAL (real_decl) == error_mark_node)
     return error_mark_node;