Merge pull request #46521 from dmcgowan/fix-makefile-graphdriver

Fix graphdriver lookup in makefile

Makefile

@@ -4,7 +4,7 @@ DOCKER ?= docker
 BUILDX ?= $(DOCKER) buildx
 
 # set the graph driver as the current graphdriver if not set
-DOCKER_GRAPHDRIVER := $(if $(DOCKER_GRAPHDRIVER),$(DOCKER_GRAPHDRIVER),$(shell docker info -f {{ .Driver }} 2>&1))
+DOCKER_GRAPHDRIVER := $(if $(DOCKER_GRAPHDRIVER),$(DOCKER_GRAPHDRIVER),$(shell docker info -f '{{ .Driver }}' 2>&1))
 export DOCKER_GRAPHDRIVER
 
 DOCKER_GITCOMMIT := $(shell git rev-parse HEAD)