Fixes error using 'm' snippet where 'M' is also defined

snipmate patch

diff --git a/autoload/snipMate.vim b/autoload/snipMate.vim
index 76fe56b..8f0ebce 100644
--- a/autoload/snipMate.vim
+++ b/autoload/snipMate.vim
@@ -748,7 +748,7 @@ fun! snipMate#GetSnippetsForWordBelowCursor(word, suffix, break_on_first_match)
                for [k,snippetD] in items(funcref#Call(s:snipMate['get_snippets'], [snipMate#ScopesByFile(), wor
                        if a:suffix == ''
                                " hack: require exact match
-                               if k != word | continue | endif
+                               if k !=# word | continue | endif
                        endif
                        call add(matching_snippets, [k, snippetD])
                        if a:break_on_first_match | break| endif