Bug 1100925 - Changed old-configure.in to detect mingw32-make as a priority. r=gps

This is what we want on msys2 installations, since it is compliant and
installable with the package manager.

MozReview-Commit-ID: ARMcpJmbk2
***
Bug 1100925 - Have JS subconfigure recognize mingw32-make as a valid GMAKE. r?gps

MozReview-Commit-ID: Gg8FcgW7BHM

--HG--
extra : rebase_source : 5bd779812e52b8ce29ca078b41e2c12e1950de09

js/src/old-configure.in

@@ -437,7 +437,7 @@ fi
 
 case "$host_os" in
 mingw*)
-    MOZ_PATH_PROGS(GMAKE, $GMAKE $NOT_PYMAKE make gmake, :)
+    MOZ_PATH_PROGS(GMAKE, $GMAKE mingw32-make $NOT_PYMAKE make gmake, :)
     ;;
 *)
     MOZ_PATH_PROGS(GMAKE, $GMAKE $NOT_PYMAKE gmake make, :)

old-configure.in

@@ -636,7 +636,7 @@ fi
 
 case "$host_os" in
 mingw*)
-    MOZ_PATH_PROGS(GMAKE, $GMAKE $NOT_PYMAKE make gmake, :)
+    MOZ_PATH_PROGS(GMAKE, $GMAKE mingw32-make $NOT_PYMAKE make gmake, :)
     ;;
 *)
     MOZ_PATH_PROGS(GMAKE, $GMAKE $NOT_PYMAKE gmake make, :)