Bug 1491856 Change .scl 3 -> .scl 2 in the reflect assembly r=dmajor

As in Bug 1390583 and Bug 1470993, this will correct them to be external symbols

Differential Revision: https://phabricator.services.mozilla.com/D6044

--HG--
extra : moz-landing-system : lando

xpcom/reflect/xptcall/md/win32/xptcstubs.cpp

@@ -165,21 +165,21 @@ asm(".text\n\t" \
     ".if	" #n " < 10\n\t" \
     ".globl     __ZN14nsXPTCStubBase5Stub" #n "Ev@4\n\t" \
     ".def       __ZN14nsXPTCStubBase5Stub" #n "Ev@4; \n\t" \
-    ".scl       3\n\t" \
+    ".scl       2\n\t" \
     ".type      46\n\t" \
     ".endef\n\t" \
     "__ZN14nsXPTCStubBase5Stub" #n "Ev@4:\n\t" \
     ".elseif	" #n " < 100\n\t" \
     ".globl     __ZN14nsXPTCStubBase6Stub" #n "Ev@4\n\t" \
     ".def       __ZN14nsXPTCStubBase6Stub" #n "Ev@4\n\t" \
-    ".scl       3\n\t" \
+    ".scl       2\n\t" \
     ".type      46\n\t" \
     ".endef\n\t" \
     "__ZN14nsXPTCStubBase6Stub" #n "Ev@4:\n\t" \
     ".elseif    " #n " < 1000\n\t" \
     ".globl     __ZN14nsXPTCStubBase7Stub" #n "Ev@4\n\t" \
     ".def       __ZN14nsXPTCStubBase7Stub" #n "Ev@4\n\t" \
-    ".scl       3\n\t" \
+    ".scl       2\n\t" \
     ".type      46\n\t" \
     ".endef\n\t" \
     "__ZN14nsXPTCStubBase7Stub" #n "Ev@4:\n\t" \