Fix the MSVC build with --without-help

It tried to build helppack installer(s) anyway as it looked for "HELP"
in BUILD_TYPE and was fooled by the "DBGHELP".

Change-Id: I9a271a464a776f4f4dad8ea1bef662966b88f944

instsetoo_native/util/makefile.mk

@@ -68,7 +68,10 @@ LOCALPYFILES= \
     $(BIN)$/pythonloader.py
 .ENDIF
 
-.IF "$(BUILD_TYPE)"=="$(BUILD_TYPE:s/HELP//)"
+# We can be pretty sure that the "HELP" in BUILD_TYPE, if it is there,
+# is surrounded by spaces. We can't look for just "HELP" here because
+# then DBGHELP would match...
+.IF "$(BUILD_TYPE)"=="$(BUILD_TYPE:s/ HELP //)"
 OOOHELPPACK=
 OOODEVHELPPACK=
 .ELSE