fix infinite allocating in context formatter

WebFreak001 · WebFreak001 · commit c1e051bfbab2 · 2023-07-10T13:57:27.000+02:00
diff --git a/src/dscanner/analysis/run.d b/src/dscanner/analysis/run.d
@@ -133,7 +133,8 @@ private string formatContext(Message.Diagnostic diagnostic, scope const(char)[]
 	import std.string : indexOf, lastIndexOf;
 
 	if (diagnostic.startIndex >= diagnostic.endIndex || diagnostic.endIndex > code.length
-		|| diagnostic.startColumn >= diagnostic.endColumn || diagnostic.endColumn == 0)
+		|| diagnostic.startColumn >= diagnostic.endColumn || diagnostic.endColumn == 0
+		|| diagnostic.startColumn == 0)
 		return null;
 
 	auto lineStart = code.lastIndexOf('\n', diagnostic.startIndex) + 1;
