Merge pull request #1172 in FS/freeswitch from…

Merge pull request #1172 in FS/freeswitch from ~THEKEVJAMES/freeswitch:bugfix/FS-9986-fix-libvpx-gitignore to master

* commit '2c761f6f':
  FS-9986: [libvpx] update .gitignore to exclude erronesously matched Makefile

libs/libvpx/.gitignore

@@ -13,3 +13,5 @@ vpx_config.h
 vpx_dsp_rtcd.h
 vpx_scale_rtcd.h
 vpx_version.h
+
+!build/make/Makefile