Turn warning C4204 "nonstandard extension used : non-constant aggregate
initializer" into an error.

* subversion/tests/libsvn_ra/ra-test.c
  (location_segments_test): Don't use non constant initializer.
  
* build/generator/templates/vcnet_vcxproj.ezt
* build/generator/templates/vcnet_vcproj.ezt
  Turn C4204 into an error.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1442063 13f79535-47bb-0310-9956-ffa450edef68