clover: Return CL_BUILD_ERROR for CL_PROGRAM_BUILD_STATUS when compilation fails v2

v2:
  - Don't use _errs map

Cc: 10.5 10.4 <mesa-stable@lists.freedesktop.org>

Reviewed-by: Francisco Jerez <currojerez@riseup.net>

src/gallium/state_trackers/clover/core/program.cpp

@@ -90,6 +90,8 @@ cl_build_status
 program::build_status(const device &dev) const {
    if (_binaries.count(&dev))
       return CL_BUILD_SUCCESS;
+   else if (_logs.count(&dev))
+      return CL_BUILD_ERROR;
    else
       return CL_BUILD_NONE;
 }