Merge pull request #135 from clifordsab/kiss-fix-diff

kiss: pkg_fixdeps(): Make diff work across diff-erent implementations

kiss

@@ -436,8 +436,9 @@ pkg_fixdeps() {
 
     # Display a 'diff' of the new dependencies against
     # the old ones. '-N' treats non-existent files as blank.
-    diff "$dep_file" depends ||:
+    diff -U 3 "$dep_file" depends ||:
 
+    # Remove the package's depends file if it's empty.
     [ -s depends ] || rm -f depends 
 }