Automated update from host egg.build.mozilla.org

configure

@@ -15078,7 +15078,7 @@ fi
 
 if (test "$OS_ARCH" = "WINNT" -a -z "$GNU_CC" \
     || test "$OS_ARCH" = "Darwin" \
-    || test "$OS_ARCH" = "Linux") \
+    || test "$OS_ARCH" = "Linux" -a "$CPU_ARCH" = "x86") \
    && test -z "$HAVE_64BIT_OS"; then
    MOZ_AIRBAG=1
 fi