[gthumb] exposure: prefix the iso speed field with 'ISO'

[Paolo Bacchilega <paobac src gnome org>]

commit a8c2b3c326ed74865f732f54358a37e06cd74a0f
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Dec 1 12:20:42 2013 +0100

    exposure: prefix the iso speed field with 'ISO'

 extensions/exiv2_tools/exiv2-utils.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/extensions/exiv2_tools/exiv2-utils.cpp b/extensions/exiv2_tools/exiv2-utils.cpp
index 0c4312b..6e38ba3 100644
--- a/extensions/exiv2_tools/exiv2-utils.cpp
+++ b/extensions/exiv2_tools/exiv2-utils.cpp
@@ -634,6 +634,7 @@ set_attributes_from_tagsets (GFileInfo *info,
                if (formatted_value != NULL) {
                        if (exposure->len > 0)
                                g_string_append (exposure, EXPOSURE_SEPARATOR);
+                       g_string_append (exposure, "ISO ");
                        g_string_append (exposure, formatted_value);
                        g_free (formatted_value);
                }