Update the baseline of the 'wrong_runtime/windows' test case

Author: HugoGGuerrier

testsuite/tests/gnatcheck_errors/wrong_runtime/windows/test.out

@@ -1,5 +1,5 @@
 testsuite_driver: No output file generated by gnatcheck
 kb: info: can't find a toolchain for the following configuration: language 'Ada', target 'x86_64-windows', runtime 'unknown'
-gnatcheck: error: "prj.gpr" processing failed
+prj.gpr:1:1: error: processing failed
 try "gnatcheck --help" for more information.
 >>>program returned status code 2