tools/settings_migrate_group: carry the rcheevos include path in the lane flags

An achievements-guarded row mints a cheevos lane whose menu
translation unit pulls the rcheevos public headers; the compile
flag set only carried them for the preprocessor driver.

Author: libretroadmin

tools/settings_migrate_group.py

@@ -422,7 +422,7 @@ def _cond(g):
 open('menu/menu_setting.c','w').write(ms)
 print("surgeries ok")
 
-CFB = "-std=gnu89 -pedantic-errors -Wno-long-long -Wno-overlength-strings -O2 -fsyntax-only -I. -Imenu -Ilibretro-common/include -Ideps/7zip -I/tmp/settings_mig_stubs -DRARCH_INTERNAL -DHAVE_MENU"
+CFB = "-std=gnu89 -pedantic-errors -Wno-long-long -Wno-overlength-strings -O2 -fsyntax-only -I. -Imenu -Ilibretro-common/include -Ideps/7zip -Ideps/rcheevos/include -I/tmp/settings_mig_stubs -DRARCH_INTERNAL -DHAVE_MENU"
 CF = CFB + " -DHAVE_CONFIGFILE -DHAVE_PATCH -DHAVE_REWIND -DHAVE_SCREENSHOTS -DHAVE_CHEATS -DHAVE_OVERLAY -DHAVE_MICROPHONE"
 # Guard-isolation lanes: exercise every flag that gates a row *in
 # isolation*.  A dropped inner guard nested under an outer flag only