[PATCH 3/6] mingw: do not use nedmalloc on Windows/ARM64

["Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>]

From: Johannes Schindelin <johannes.schindelin@gmx.de>

It does not compile there, and seeing as nedmalloc has been pretty much
unmaintained since at least November 2017, as per
https://github.com/ned14/nedmalloc/issues/20#issuecomment-343432314,
there is also no hope that any fixes will materialize there.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 config.mak.uname | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/config.mak.uname b/config.mak.uname
index 1e5d89f1aa4..6222d2c5a48 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -742,7 +742,9 @@ ifeq ($(uname_S),MINGW)
 	HAVE_LIBCHARSET_H = YesPlease
 	USE_GETTEXT_SCHEME = fallthrough
 	USE_LIBPCRE = YesPlease
-	USE_NED_ALLOCATOR = YesPlease
+	ifneq (CLANGARM64,$(MSYSTEM))
+		USE_NED_ALLOCATOR = YesPlease
+	endif
         ifeq (/mingw64,$(subst 32,64,$(prefix)))
 		# Move system config into top-level /etc/
 		ETC_GITCONFIG = ../etc/gitconfig
-- 
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