[PATCH] Removes uninitialized variable compiler warning

This patch removes a compiler warning.

warning: variable 'lenlemm' is uninitialized when used here
[-Wuninitialized]

This is my first commit to postgres. I've read through
http://wiki.postgresql.org/wiki/Submitting_a_Patch, but I may have missed
something.

diff --git a/src/backend/tsearch/ts_parse.c b/src/backend/tsearch/ts_parse.c
index b612fb0e2c..3d66b2babd 100644
--- a/src/backend/tsearch/ts_parse.c
+++ b/src/backend/tsearch/ts_parse.c
@@ -357,8 +357,8 @@ LexizeExec(LexizeData *ld, ParsedLex **correspondLexem)
void
parsetext(Oid cfgId, ParsedText *prs, char *buf, int buflen)
{
- int type,
- lenlemm;
+ int type;
+ int lenlemm = 0;
char *lemm = NULL;
LexizeData ldata;
TSLexeme *norms;