common/cmd_mmc.c: fix a bug

introduced by commit cc9f607beb49d4d3556c326efb83a0a51784e484, it causes:
"
cmd_mmc.c:136:2: warning: missing terminating " character cmd_mmc.c:133: error: missing terminating " character make[1]: *** [cmd_mmc.o] Error 1
"

---
 common/cmd_mmc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index a6ed6a8..c0b30d8 100644
@@ -133,7 +133,7 @@ int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 U_BOOT_CMD(
 	mmcinfo, 2, 0, do_mmcinfo,
 	"display MMC info",
-	"<dev num>\n
+	"<dev num>\n"
         "    - device number of the device to dislay info of\n"
 	""
 );

1.7.0

your repo is out of date
-mike