fixed cppcheck call for older versions of cppcheck - removed misra checking (is broken anyway if there is no misra text file present

makefile

@@ -53,7 +53,7 @@ TESTFLAGS   := $(INCLUDES:%=-I%) -g -Wall -Werror -Wextra -fprofile-arcs -ftest-
 TESTLFLAGS  := -fprofile-arcs -Wl,--allow-multiple-definition
 
 DEPEND      = -MT $@ -MF "$(@:%.o=%.d)" -MG -MM
-			
+
 COBJ    := $(patsubst %.c,$(OBJ_DIR)%.o,$(SOURCES))
 
 EXAMPLE_SOURCES := example/main.c
@@ -72,17 +72,18 @@ export
 
 help:
 	@echo Shellmatta help
-	@echo -------------------------
+	@echo -----------------------------------------------
 	@echo test      - run all tests
+	@echo cppcheck  - run static code analysis (cppcheck)
 	@echo example   - build example
-	@echo -------------------------
+	@echo -----------------------------------------------
 
 test: unittest integrationtest
 
 cppcheck:
 	- @mkdir -p output/cppcheck/html
-	cppcheck --addon=/usr/bin/misra.py --enable=all --template=gcc --cppcheck-build-dir=output/cppcheck $(SOURCES)
-	cppcheck --addon=/usr/bin/misra.py --enable=all --template=gcc --cppcheck-build-dir=output/cppcheck $(SOURCES) --xml 2>output/cppcheck/cppcheck.xml
+	cppcheck --enable=all --template=gcc --cppcheck-build-dir=output/cppcheck $(SOURCES)
+	cppcheck --enable=all --template=gcc --cppcheck-build-dir=output/cppcheck $(SOURCES) --xml 2>output/cppcheck/cppcheck.xml
 	cppcheck-htmlreport --file=output/cppcheck/cppcheck.xml --title="Shellmatta" --report-dir=output/cppcheck/html
 
 unittest: $(UNITTEST_TARGET)