EDAC/mc: Remove needless zero string termination

The e string to which this is pointing to has already been cleared
earlier in the function so remove the needless zero string termination.

 [ bp: Correct the commit message. ]

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Robert Richter <rrichter@marvell.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: "linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/20191106093239.25517-6-rrichter@marvell.com

drivers/edac/edac_mc.c

@@ -1184,7 +1184,6 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type,
 			}
 			strcpy(p, dimm->label);
 			p += strlen(p);
-			*p = '\0';
 
 			/*
 			 * get csrow/channel of the DIMM, in order to allow