[gexiv2] Drop trailing newlines from log lines

[Jens Georg <jensgeorg src gnome org>]

commit dd72be56de37d86b624f911c33525ff9a8dfce66
Author: Jens Georg <mail jensge org>
Date:   Tue Sep 11 21:33:52 2018 +0200

    Drop trailing newlines from log lines

 gexiv2/gexiv2-log.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)
---
diff --git a/gexiv2/gexiv2-log.cpp b/gexiv2/gexiv2-log.cpp
index 4db257a..d484784 100644
--- a/gexiv2/gexiv2-log.cpp
+++ b/gexiv2/gexiv2-log.cpp
@@ -64,22 +64,23 @@ static void default_log_handler(GExiv2LogLevel level, const gchar *msg) {
     Exiv2::LogMsg::defaultHandler(gexiv2_level_to_exiv2_level(level), msg);
 }
 
-static void glib_log_handler(GExiv2LogLevel level, const gchar *msg) {
+static void glib_log_handler(GExiv2LogLevel level, const gchar *msg_) {
+    char *msg = g_strdup(msg_);
     switch (level) {
         case GEXIV2_LOG_LEVEL_DEBUG:
-            g_debug("%s", msg);
+            g_debug("%s", g_strchomp(msg));
         break;
         
         case GEXIV2_LOG_LEVEL_INFO:
-            g_message("%s", msg);
+            g_message("%s", g_strchomp(msg));
         break;
         
         case GEXIV2_LOG_LEVEL_WARN:
-            g_warning("%s", msg);
+            g_warning("%s", g_strchomp(msg));
         break;
         
         case GEXIV2_LOG_LEVEL_ERROR:
-            g_critical("%s", msg);
+            g_critical("%s", g_strchomp(msg));
         break;
         
         case GEXIV2_LOG_LEVEL_MUTE:
@@ -87,6 +88,8 @@ static void glib_log_handler(GExiv2LogLevel level, const gchar *msg) {
             // do nothing
         break;
     }
+
+    g_free(msg);
 }
 
 GExiv2LogLevel gexiv2_log_get_level(void) {