Bug 747005: OSX XULRunner SDKs aren't getting named propertl. r=bsmedberg, a=lsblakk

toolkit/mozapps/installer/packager.mk

@@ -95,6 +95,9 @@ MOZ_INTERNAL_SIGNING_FORMAT =
 endif
 SDK_SUFFIX    = $(PKG_SUFFIX)
 SDK           = $(SDK_PATH)$(PKG_BASENAME).sdk$(SDK_SUFFIX)
+ifdef UNIVERSAL_BINARY
+SDK           = $(SDK_PATH)$(PKG_BASENAME)-$(TARGET_CPU).sdk$(SDK_SUFFIX)
+endif
 
 # JavaScript Shell packaging
 ifndef LIBXUL_SDK