Merge pull request #63 from actions/fix-problem-matcher

Fixing dotnet compiler Problem Matcher

.github/csc.json

@@ -4,14 +4,15 @@
             "owner": "csc",
             "pattern": [
                 {
-                    "regexp": "^([^\\s].*)\\((\\d+|\\d+,\\d+|\\d+,\\d+,\\d+,\\d+)\\):\\s+(error|warning|info)\\s+(CS\\d+)\\s*:\\s*(.*)$",
+                    "regexp": "^([^\\s].*)\\((\\d+)(?:,\\d+|,\\d+,\\d+)?\\):\\s+(error|warning)\\s+([a-zA-Z]+(?<!MSB)\\d+):\\s*(.*?)\\s+\\[(.*?)\\]$",
                     "file": 1,
-                    "location": 2,
+                    "line": 2,
                     "severity": 3,
                     "code": 4,
-                    "message": 5
+                    "message": 5,
+                    "fromPath": 6
                 }
             ]
         }
     ]
-}
+}