gcc: use new --default-image-base-low option

mingw-w64-gcc/PKGBUILD

@@ -21,7 +21,7 @@ pkgver=10.2.0
 #_majorver=${pkgver:0:1}
 #_sourcedir=${_realname}-${_majorver}-${_snapshot}
 _sourcedir=${_realname}-${pkgver}
-pkgrel=2
+pkgrel=3
 pkgdesc="GCC for the MinGW-w64"
 arch=('any')
 url="https://gcc.gnu.org"
@@ -189,7 +189,7 @@ build() {
   local _LDFLAGS_FOR_TARGET="$LDFLAGS"
   LDFLAGS+=" -Wl,--disable-dynamicbase"
   if [ "${CARCH}" = 'x86_64' ]; then
-    LDFLAGS+=",--image-base=0x400000"
+    LDFLAGS+=",--default-image-base-low"
   fi
 
   ../${_sourcedir}/configure \