[PATCH] Fix crash when disabling auto commit

Fix crash when string has only alphas (like 'rollback')

diff --git a/pgadmin/frm/frmQuery.cpp b/pgadmin/frm/frmQuery.cpp
index b5a2f56..110bbc7 100644
--- a/pgadmin/frm/frmQuery.cpp
+++ b/pgadmin/frm/frmQuery.cpp
@@ -2522,7 +2522,7 @@ bool frmQuery::isBeginNotRequired(wxString query)
/*
* Check word length (since "beginx" is not "begin").
*/
- while(wxIsalpha(query.GetChar(wordlen)))
+ while(wordlen < query.Length() && wxIsalpha(query.GetChar(wordlen)))
wordlen++;

/*