Fix configure warning by changin @INSTALLER_NAME@ to $INSTALLER_NAME$. Bug 240108.

browser/installer/unix/Makefile.in

@@ -59,6 +59,6 @@ INSTALLER_NAME = firefox-$(TARGET_CPU)-$(TARGET_VENDOR)-$(TARGET_OS)-installer
 endif
 
 installer.cfg: installer.cfg.in
-	sed -e "s/@INSTALLER_NAME@/$(INSTALLER_NAME)/" $^ > $@
+	sed -e 's/\$$INSTALLER_NAME\$$/$(INSTALLER_NAME)/' $^ > $@
 
 include $(topsrcdir)/config/rules.mk

browser/installer/unix/installer.cfg.in

@@ -3,7 +3,7 @@ NameCompany               = mozilla.org
 NameProduct               = Mozilla Firefox
 NameProductInternal       = Mozilla Firefox
 VersionProduct            = 0.8
-FileInstallerEXE          = @INSTALLER_NAME@
+FileInstallerEXE          = $INSTALLER_NAME$
 FileMainEXE               = firefox
 FileUninstall             = UninstallFirefox
 FileUninstallZIP          = UninstallFirefox.zip