[newlib-cygwin] Cygwin: Drop duplicate C++ flags used to build utils

[Jon TURNEY]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=7d5efba7967ba22592b7ae9cf9877120cc9792db

commit 7d5efba7967ba22592b7ae9cf9877120cc9792db
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Wed Nov 11 14:03:58 2020 +0000

    Cygwin: Drop duplicate C++ flags used to build utils
    
    '-fno-exceptions -fno-rtti' are already present in the compile command
    COMPILE.cc set by Makefile.common, so we don't need to add them to
    CXXFLAGS as well.

Diff:
---
 winsup/utils/Makefile.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/utils/Makefile.in b/winsup/utils/Makefile.in
index e21874027..a9d66a5ee 100644
--- a/winsup/utils/Makefile.in
+++ b/winsup/utils/Makefile.in
@@ -19,7 +19,7 @@ CFLAGS:=@CFLAGS@
 CXXFLAGS:=@CXXFLAGS@
 INCLUDES:=@INCLUDES@
 override CFLAGS+=${CFLAGS_COMMON}
-override CXXFLAGS+=-fno-exceptions -fno-rtti ${CFLAGS_COMMON}
+override CXXFLAGS+=${CFLAGS_COMMON}
 
 include ${srcdir}/../Makefile.common