Fix makefile template

templates/skeletons/makefile.tmplt

@@ -182,7 +182,8 @@ dataview/C/built: ${DATAVIEW_UNIQ} ${DATAVIEW_ACN} ${CP_FILES}
 	cp -f @_LOWER:Function_Names_@/GUI/wrappers/*.py binaries/@_LOWER:Function_Names_@_GUI
 	cp -f @_LOWER:Function_Names_@/GUI/wrappers/*.ui binaries/@_LOWER:Function_Names_@_GUI
 	@@-- Compute the error codes
-	@echo "errCodes = ${shell taste-asn1-errCodes binaries/@_LOWER:Function_Names_@_GUI/dataview-uniq.h}" >> binaries/@_LOWER:Function_Names_@_GUI/datamodel.py
+	echo "errCodes = \\" >> binaries/@_LOWER:Function_Names_@_GUI/datamodel.py
+	taste-asn1-errCodes binaries/@_LOWER:Function_Names_@_GUI/dataview-uniq.h >> binaries/@_LOWER:Function_Names_@_GUI/datamodel.py
         @@-- If system contains the PeekPoke component, copy the relevant code in the gui folder
         @@IF@@ @_LOWER:Function_Names_@ = taste_probe_console
 	@# Peek-Poke function is placed in the gui folder
@@ -196,7 +197,7 @@ dataview/C/built: ${DATAVIEW_UNIQ} ${DATAVIEW_ACN} ${CP_FILES}
 	# User can edit at will the customisable user widgets python module:
 	cp -u $(shell taste-config --prefix)/share/AutoGUI/UserWidgets.py binaries/@_LOWER:Function_Names_@_GUI
         @@-- Copy InterfaceView.aadl, it is needed to replay MSC scenarios
-        #  Interface view must be placed in the gui folder to allow replaying MSCs
+	#  Interface view must be placed in the gui folder to allow replaying MSCs
 	cp -u ../InterfaceView.aadl binaries/@_LOWER:Function_Names_@_GUI
         @@END_IF@@  @@-- End of GUI-specifics
         @@END_TABLE@@