Fix command syntax, env var has to be nmake macro in makefile

Author: weltling

win32/build/Makefile

@@ -186,7 +186,7 @@ build-dist: $(BUILD_DIR)\deplister.exe
 	-del /f /q $(BUILD_DIR)\php-$(PHP_VERSION_STRING)$(PHP_ZTS_ARCHIVE_POSTFIX)-Win32-$(PHP_COMPILER_SHORT)-$(PHP_ARCHITECTURE).zip
 	-del /f /q $(BUILD_DIR)\php-debug-pack-$(PHP_VERSION_STRING)$(PHP_ZTS_ARCHIVE_POSTFIX)-Win32-$(PHP_COMPILER_SHORT)-$(PHP_ARCHITECTURE).zip
 	-del /f /q $(BUILD_DIR)\pecl-$(PHP_VERSION_STRING)$(PHP_ZTS_ARCHIVE_POSTFIX)-Win32-$(PHP_COMPILER_SHORT)-$(PHP_ARCHITECTURE).zip
-	%PHP_SDK_PHP_CMD% -d date.timezone=UTC -n -dphar.readonly=0 win32/build/mkdist.php "$(BUILD_DIR)" "$(PHP_BUILD)" "$(PHPDLL)" "$(SAPI_TARGETS)" "$(EXT_TARGETS) $(PHP_EXTRA_DIST_FILES)" "$(PECL_TARGETS) $(PECL_EXTRA_DIST_FILES)" "$(SNAPSHOT_TEMPLATE)"
+	$(PHP_SDK_PHP_CMD) -d date.timezone=UTC -n -dphar.readonly=0 win32/build/mkdist.php "$(BUILD_DIR)" "$(PHP_BUILD)" "$(PHPDLL)" "$(SAPI_TARGETS)" "$(EXT_TARGETS) $(PHP_EXTRA_DIST_FILES)" "$(PECL_TARGETS) $(PECL_EXTRA_DIST_FILES)" "$(SNAPSHOT_TEMPLATE)"
 	cd $(BUILD_DIR)\php-$(PHP_VERSION_STRING)
 	-$(ZIP) -9 -q -r ..\php-$(PHP_VERSION_STRING)$(PHP_ZTS_ARCHIVE_POSTFIX)-Win32-$(PHP_COMPILER_SHORT)-$(PHP_ARCHITECTURE).zip .
 	cd $(BUILD_DIR)\pecl-$(PHP_VERSION_STRING)