[FE training-materials-updates] Add new make clean target

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=3c0cfdf517a003ec18ffd4374010c5fa3d5b5d5f

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commit 3c0cfdf517a003ec18ffd4374010c5fa3d5b5d5f
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Wed Aug 27 13:48:34 2014 +0200

    Add new make clean target
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


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3c0cfdf517a003ec18ffd4374010c5fa3d5b5d5f
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index f2c6d04..85381f9 100644
--- a/Makefile
+++ b/Makefile
@@ -550,7 +550,7 @@ $(VARS): FORCE
 	/bin/echo "\def \training {$(TRAINING)}" >> $@
 
 clean:
-	$(RM) -rf $(OUTDIR) *.pdf
+	$(RM) -rf $(OUTDIR) *.pdf felabs-*
 
 help:
 	@echo "Available targets:"