Bug 1014976 - Enable jemalloc by default on all Windows MSVC builds, like on other platforms. r=bsmedberg

configure.in

@@ -2189,6 +2189,7 @@ ia64*-hpux*)
         dnl both SSSE3 and SSE4.1.
         HAVE_TOOLCHAIN_SUPPORT_MSSSE3=1
         HAVE_TOOLCHAIN_SUPPORT_MSSE4_1=1
+        MOZ_MEMORY=1
     fi
     AC_DEFINE(HAVE_SNPRINTF)
     AC_DEFINE(_WINDOWS)