Fixed DTrace bug where probes_mysql_nodtrace.h wasn't properly

created in the case when DTrace wasn't defined.

include/Makefile.am

@@ -69,17 +69,17 @@ my_config.h: config.h
 dist-hook:
 	$(RM) -f $(distdir)/mysql_version.h $(distdir)/my_config.h
 
+DTRACEPROVIDER = $(abs_top_srcdir)/sql/probes_mysql.d
 if HAVE_DTRACE
 BUILT_SOURCES += probes_mysql_dtrace.h
 CLEANFILES += probes_mysql_dtrace.h
-DTRACEPROVIDER = $(abs_top_srcdir)/sql/probes_mysql.d
 
 probes_mysql_dtrace.h: $(DTRACEPROVIDER)
-	$(DTRACE) $(DTRACEFLAGS) -h -s $< -o $@
+	$(DTRACE) $(DTRACEFLAGS) -h -s $(DTRACEPROVIDER) -o $@
 endif
 
 probes_mysql_nodtrace.h: $(DTRACEPROVIDER)
-	$(abs_top_srcdir)/scripts/dheadgen.pl -f $^ > $@
+	$(abs_top_srcdir)/scripts/dheadgen.pl -f $(DTRACEPROVIDER) > $@
 
 # Don't update the files from bitkeeper
 %::SCCS/s.%