Bug 1437877 - Updater: Disable -Wformat-truncation until the reported issues are fixed r=glandium

MozReview-Commit-ID: 92L3jTPrBcP

--HG--
extra : rebase_source : b1257fd333c18627c200bd57b8b5f2e1da416742

toolkit/mozapps/update/updater/updater-common.build

@@ -117,3 +117,7 @@ elif CONFIG['OS_ARCH'] == 'WINNT':
 if 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
     CXXFLAGS += CONFIG['TK_CFLAGS']
     OS_LIBS += CONFIG['TK_LIBS']
+
+if CONFIG['CC_TYPE'] == 'gcc':
+    CXXFLAGS += ['-Wno-format-truncation']
+