PDB symbol 'case 7' fix

IDEHelper/COFF.cpp

@@ -3251,6 +3251,9 @@ void COFF::ParseCompileUnit_Symbols(DbgCompileUnit* compileUnit, uint8* sectionD
 			break;
 		case 0x1179:
 			break;
+		case 7:
+			// Unknown
+			break;
 		default:
 			BF_DBG_FATAL("Unhandled");
 			break;