fix: Allow building in a path containing spaces

Signed-off-by: Chris Wells <chriswells0@users.noreply.github.com>

Makefile

@@ -60,7 +60,7 @@ all: build
 build: $(BINDIR)/$(BINNAME)
 
 $(BINDIR)/$(BINNAME): $(SRC)
-	GO111MODULE=on go build $(GOFLAGS) -tags '$(TAGS)' -ldflags '$(LDFLAGS)' -o $(BINDIR)/$(BINNAME) ./cmd/helm
+	GO111MODULE=on go build $(GOFLAGS) -tags '$(TAGS)' -ldflags '$(LDFLAGS)' -o '$(BINDIR)'/$(BINNAME) ./cmd/helm
 
 # ------------------------------------------------------------------------------
 #  test
@@ -97,7 +97,7 @@ test-acceptance: TARGETS = linux/amd64
 test-acceptance: build build-cross
 	@if [ -d "${ACCEPTANCE_DIR}" ]; then \
 		cd ${ACCEPTANCE_DIR} && \
-			ROBOT_RUN_TESTS=$(ACCEPTANCE_RUN_TESTS) ROBOT_HELM_PATH=$(BINDIR) make acceptance; \
+			ROBOT_RUN_TESTS=$(ACCEPTANCE_RUN_TESTS) ROBOT_HELM_PATH='$(BINDIR)' make acceptance; \
 	else \
 		echo "You must clone the acceptance_testing repo under $(ACCEPTANCE_DIR)"; \
 		echo "You can find the acceptance_testing repo at https://github.com/helm/acceptance-testing"; \
@@ -178,7 +178,7 @@ checksum:
 
 .PHONY: clean
 clean:
-	@rm -rf $(BINDIR) ./_dist
+	@rm -rf '$(BINDIR)' ./_dist
 
 .PHONY: release-notes
 release-notes: