features/index: Minor improvement in log message.

Change-Id: Ic4f39785dab5ad64def4c06d7bd2f2dec09e19ab
BUG: 1045690
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Reviewed-on: http://review.gluster.org/6606
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>

xlators/features/index/src/index.c

@@ -264,7 +264,7 @@ check_delete_stale_index_file (xlator_t *this, char *filename)
         ret = stat (filepath_under_base_indices_holder, &base_index_st);
         if (ret) {
                 gf_log (THIS->name, GF_LOG_ERROR, "Base index is not created"
-                        "under index/base_indices_holder");
+                        " under index/base_indices_holder");
                 return;
         }