MNT: Update insertcopyright rule to new location

config/common/rules.mk

@@ -14,7 +14,7 @@ clean:
       ${XFILES} ${FXFILES} ${SOFILES} ${AFILES} ${TESTXFILES}
 
 insertcopyright:
-	${FSLCONFDIR}/common/insertcopyright * */*
+	${FSLDIR}/share/fsl/sbin/insertcopyright * */*
 
 depend:
 	${RM} -f depend.mk