fix nit spotted by cgjones.

diff --git a/Makefile b/Makefile
index 32a1273895571d7e78731386d005536b05bfef20..c6971d025c07ef01dd96095ea2530f8a88bc9a89 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -40,7 +40,7 @@ PDF_BROWSERS := $(DEFAULT_BROWSERS)
 endif
 
 browser-test:
-       @if [ ! -e "$(PDF_BROWSERS)" ]; then \
+       @if [ ! -f "$(PDF_BROWSERS)" ]; then \
        echo "Browser manifest file $(PDF_BROWSERS) does not exist."; \
        echo "Try copying one of the examples" \
               "in test/resources/browser_manifests/"; \