devenum: Correct the size of "name" in register_avicap_devices().

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/devenum/createdevenum.c

@@ -726,7 +726,7 @@ static void register_avicap_devices(void)
     REGFILTERPINS2 rgpins = {0};
     REGPINTYPES rgtypes;
     REGFILTER2 rgf;
-    WCHAR name[6];
+    WCHAR name[7];
     VARIANT var;
     HRESULT hr;
     int i = 0;