build: fix missing x64 arch suffix in binary tar name

PR-URL: #30877
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

Makefile

@@ -842,6 +842,7 @@ endif
 endif
 endif
 endif
+endif
 ifeq ($(DESTCPU),x64)
 ARCH=x64
 else
@@ -871,7 +872,6 @@ endif
 endif
 endif
 endif
-endif
 
 # node and v8 use different arch names (e.g. node 'x86' vs v8 'ia32').
 # pass the proper v8 arch name to $V8_ARCH based on user-specified $DESTCPU.