Code coverage results were ignoring the data from encode/decode unittests.

Update issue 126
Status: Started

tests/Makefile

@@ -10,12 +10,12 @@ coverage:
 	# LCOV does not like the newer gcov format
 	scons CC=gcc-4.6 CXX=gcc-4.6
 
-	# We are only interested in pb_encode.o and pb_decode.o
-	find build -name '*.gcda' -and \! \( -name '*pb_encode*' -or -name '*pb_decode*' \) -exec rm '{}' \;
-
 	# Collect the data
 	mkdir build/coverage
 	lcov --base-directory . --directory build/ --gcov-tool gcov-4.6 -c -o build/coverage/nanopb.info
 
+	# Remove the test code from results
+	lcov -r build/coverage/nanopb.info '*tests*' -o build/coverage/nanopb.info
+
 	# Generate HTML
 	genhtml -o build/coverage build/coverage/nanopb.info