Fix autogen exclude for comments under package (#831)

Author: hypnoglow

pkg/result/processors/autogenerated_exclude.go

@@ -126,7 +126,7 @@ func getDoc(filePath string) (string, error) {
 		if strings.HasPrefix(line, "//") { //nolint:gocritic
 			text := strings.TrimSpace(strings.TrimPrefix(line, "//"))
 			docLines = append(docLines, text)
-		} else if line == "" {
+		} else if line == "" || strings.HasPrefix(line, "package") {
 			// go to next line
 		} else {
 			break

pkg/result/processors/autogenerated_exclude_test.go

@@ -4,4 +4,4 @@
 // third line
 
 package testdata // no this text
-// and no this text too
+// and this text also

pkg/result/processors/testdata/autogen_exclude.go

@@ -0,0 +1,10 @@
+package testdata
+
+// DO NOT EDIT
+
+import "fmt"
+
+// nolint
+func PrintString(s string) {
+	fmt.Printf("%s", s)
+}