HPCC-20478 Rename #option embeddedWarningsAreFatal

Rename for a new version to nudge users to fix compile warnings

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>

ecl/hqlcpp/hqlcpp.cpp

@@ -1800,7 +1800,7 @@ void HqlCppTranslator::cacheOptions()
         DebugOption(options.optimizeSortAllFieldsStrict,"optimizeSortAllFieldsStrict",false),
         DebugOption(options.alwaysReuseGlobalSpills,"alwaysReuseGlobalSpills",true),
         DebugOption(options.forceAllDatasetsParallel,"forceAllDatasetsParallel",false),  // Purely for regression testing.
-        DebugOption(options.embeddedWarningsAsErrors,"embeddedWarningsAreFatal",true),
+        DebugOption(options.embeddedWarningsAsErrors,"embeddedWarningsAreFatal70",true),
         DebugOption(options.optimizeCriticalFunctions,"optimizeCriticalFunctions",true),
         DebugOption(options.addLikelihoodToGraph,"addLikelihoodToGraph", true),
         DebugOption(options.varFieldAccessorThreshold,"varFieldAccessorThreshold",3),   // Generate accessor classes for rows with #variable width fields >= threshold