hts-tvheadend: add patch to compile with gcc 4.7.1

packages/addons/service/multimedia/hts-tvheadend/patches/hts-tvheadend-78213a0-094-gcc.4.7.1.patch

@@ -0,0 +1,18 @@
+Author: Adam Sutton <dev@adamsutton.me.uk>
+Date:   Sun Jul 29 20:37:00 2012 +0100
+
+    Fix false trigger of uninit var, detected using gcc v4.7.1 (compiling openelec tvh add-on), reported by seo.
+
+diff --git a/src/htsp.c b/src/htsp.c
+index b9fc3e1..ae5bd51 100644
+--- a/src/htsp.c
++++ b/src/htsp.c
+@@ -1160,7 +1160,7 @@ htsp_read_message(htsp_connection_t *htsp, htsmsg_t **mp, int timeout)
+ static int
+ htsp_read_loop(htsp_connection_t *htsp)
+ {
+-  htsmsg_t *m, *reply;
++  htsmsg_t *m = NULL, *reply;
+   int r, i;
+   const char *method;
+