Some packages need to specify -std=gnu89 to compile, and gcc51 defaults to
gnu11 now.
Also, updated mozilla-nss-nspr to 3.19 and 4.10.8, respectively.

*** 1,2 ****
--- 1,3 ----
  configure.patch -p0
  remove-cfmakeflags.patch -p0
+ gcc5.patch -p1