* Do not clean before generating code for scenario

        For issue #18

examples/Makefile.common

@@ -17,7 +17,7 @@ build-all:
 	   $(MAKE) scenario; \
 	else \
 	   echo "No scenario files, nothing to be done"; \
-	fi 
+	fi
 
 check-all:
 	if test ! "$(SCENARIO_FILES)" = "";  then \
@@ -26,7 +26,7 @@ check-all:
            $(MAKE) scenario-check; \
         else \
            echo "No scenario files, nothing to be done"; \
-        fi 
+        fi
 
 
 ############################################################################
@@ -40,7 +40,6 @@ scenarios:
 	done;
 
 scenario:
-	$(MAKE) clean
 	@echo "*********  SCENARIO_FILE = $(SCENARIO_FILE)  *********";
 	ocarina$(EXEEXT) -b -x '${shell $(CYGPATH_W) $(SCENARIO_FILE)}';
 
@@ -94,4 +93,3 @@ debug-makefile:
 	@echo "SAMPLE_DIR     = $(SAMPLE_DIR)"
 	@echo "SCENARIO_FILES = $(SCENARIO_FILES)"
 	@echo "SCENARIO_FILE  = $(SCENARIO_FILE)"
-