Bug 1344471 - add BUG_COMPONENT to memory/* files. r=glandium

MozReview-Commit-ID: FiUCPht3MEJ

memory/moz.build

@@ -4,6 +4,9 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+with Files("**"):
+    BUG_COMPONENT = ("Core", "Memory Allocator")
+
 DIRS += [
     'mozalloc',
     'fallible',