UPSTREAM: util/broadcom: Close file after use

Change-Id: Ieea7ac7fbc618cd12f843f1606f9ebab37cae67e
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Found-by: Coverity Scan #1323508
Original-Reviewed-on: https://review.coreboot.org/17879
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Martin Roth <martinroth@google.com>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/421213
Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>

util/broadcom/secimage/misc.c

@@ -53,5 +53,6 @@ void FillHeaderFromConfigFile(char *h, char *ConfigFileName)
 				h1->Reserved = Reserved;
 			}
 		}
+		fclose(fp);
 	}
 }