[tracker-miners] extract/html: Use correct check on elements of strv

[Carlos Garnacho <carlosg src gnome org>]

commit ca93b1c245069f463bd50e4dbdcccd4a8168cc46
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Aug 21 01:48:34 2017 +0200

    extract/html: Use correct check on elements of strv
    
    The == '\0' check happened on keywords[i], not the first char of
    keywords[i] as it would be expected on a strv.

 src/tracker-extract/tracker-extract-html.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract-html.c b/src/tracker-extract/tracker-extract-html.c
index 497f009..58c2023 100644
--- a/src/tracker-extract/tracker-extract-html.c
+++ b/src/tracker-extract/tracker-extract-html.c
@@ -154,7 +154,7 @@ parser_start_element (void           *data,
                                keywords = g_strsplit (content, ",", -1);
                                if (keywords) {
                                        for (i = 0; keywords[i] != NULL; i++) {
-                                               if (!keywords[i] || keywords[i] == '\0') {
+                                               if (!keywords[i] || keywords[i][0] == '\0') {
                                                        continue;
                                                }