revert error id change

Author: ludviggunne

lib/errorlogger.cpp

@@ -1041,7 +1041,7 @@ std::string getGuideline(const std::string &errId, ReportType reportType,
     case ReportType::misraC2012:
     case ReportType::misraC2023:
     case ReportType::misraC2025:
-        if (errId.rfind("misra-c-20", 0) == 0 || errId.rfind("premium-misra-c-20", 0) == 0)
+        if (errId.rfind("misra-c20", 0) == 0 || errId.rfind("premium-misra-c-20", 0) == 0)
             guideline = errId.substr(errId.rfind('-') + 1);
         break;
     case ReportType::misraCpp2008:

test/testerrorlogger.cpp

@@ -336,7 +336,7 @@ class TestErrorLogger : public TestFixture {
         testReportType(ReportType::misraCpp2023, Severity::style, "premium-misra-cpp-2023-19.6.1", "Advisory", "19.6.1");
         testReportType(ReportType::misraCpp2008, Severity::style, "premium-misra-cpp-2008-3-4-1", "Required", "3-4-1");
         testReportType(ReportType::misraC2012, Severity::style, "premium-misra-c-2012-dir-4.6", "Advisory", "Dir 4.6");
-        testReportType(ReportType::misraC2012, Severity::style, "misra-c-2012-dir-4.6", "Advisory", "Dir 4.6");
+        testReportType(ReportType::misraC2012, Severity::style, "misra-c2012-dir-4.6", "Advisory", "Dir 4.6");
         testReportType(ReportType::certC, Severity::error, "resourceLeak", "L3", "FIO42-C");
     }