Call the correct Makefile target on OMDev

Belonging to [master]:
  - #3010

Author: sjoelund

SimulationRuntime/c/Makefile.common

@@ -327,9 +327,9 @@ sourcedist_internal:
 	rm -r ./external_solvers
 
 RuntimeSources.mo: Makefile.common Makefile.objs RuntimeSources.mo.tpl
-	$(MAKE) sources.tmp OMC_FMI_RUNTIME=1 OMC_MINIMAL_RUNTIME=1 BUILDPATH=. OMC_NUM_NONLINEAR_SYSTEMS=0 OMC_NUM_LINEAR_SYSTEMS=0 OMC_NUM_MIXED_SYSTEMS=0
-	$(MAKE) headers.tmp OMC_FMI_RUNTIME=1 OMC_MINIMAL_RUNTIME=1 BUILDPATH=. OMC_NUM_NONLINEAR_SYSTEMS=0 OMC_NUM_LINEAR_SYSTEMS=0 OMC_NUM_MIXED_SYSTEMS=0
-	$(MAKE) headers.tmp OMC_FMI_RUNTIME=1 OMC_MINIMAL_RUNTIME=1 BUILDPATH=. OMC_NUM_NONLINEAR_SYSTEMS=0 OMC_NUM_LINEAR_SYSTEMS=0 OMC_NUM_MIXED_SYSTEMS=0
+	$(MAKE) -f $(defaultMakefileTarget) sources.tmp OMC_FMI_RUNTIME=1 OMC_MINIMAL_RUNTIME=1 BUILDPATH=. OMC_NUM_NONLINEAR_SYSTEMS=0 OMC_NUM_LINEAR_SYSTEMS=0 OMC_NUM_MIXED_SYSTEMS=0
+	$(MAKE) -f $(defaultMakefileTarget) headers.tmp OMC_FMI_RUNTIME=1 OMC_MINIMAL_RUNTIME=1 BUILDPATH=. OMC_NUM_NONLINEAR_SYSTEMS=0 OMC_NUM_LINEAR_SYSTEMS=0 OMC_NUM_MIXED_SYSTEMS=0
+	$(MAKE) -f $(defaultMakefileTarget) headers.tmp OMC_FMI_RUNTIME=1 OMC_MINIMAL_RUNTIME=1 BUILDPATH=. OMC_NUM_NONLINEAR_SYSTEMS=0 OMC_NUM_LINEAR_SYSTEMS=0 OMC_NUM_MIXED_SYSTEMS=0
 	sed \
 	    -e "s#COMMON_HEADERS#`cat headers.tmp`#" \
 	    -e "s#COMMON_FILES#`cat sources.tmp`#" \