Bug#888640: Patch for gcab: FTBFS on hurd-i386: PATH_MAX undeclared

[Paul Sonnenschein]

The applied patch should fix the build failure of gcab by giving NULL
as the second argument to realpath and thus avoiding the need to
initialize a buffer of length PATH_MAX. Could you please take a look at
it?

The package compiles with the patch on both Linux and Hurd.

Thanks,
        Paul Sonnenschein

Index: gcab-1.2/tests/gcab-self-test.c
===================================================================
--- gcab-1.2.orig/tests/gcab-self-test.c
+++ gcab-1.2/tests/gcab-self-test.c
@@ -30,13 +30,10 @@ static gchar *
 gcab_test_get_filename (const gchar *filename)
 {
     gchar *tmp;
-    char full_tmp[PATH_MAX];
     g_autofree gchar *path = NULL;
     path = g_build_filename (TESTDATADIR, filename, NULL);
-    tmp = realpath (path, full_tmp);
-    if (tmp != NULL)
-        return g_strdup (full_tmp);
-    return NULL;
+    tmp = realpath (path, NULL);
+    return tmp;
 }
 
 static void

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