[PATCH v1] gstreamer: Fix string memory leak

[Barnabás Pőcze]

The string returned by `gst_video_colorimetry_to_string()`
has to be freed, this was missing.

Fixes: fc9783acc6083a ("gstreamer: Provide colorimetry <> ColorSpace mappings")
Signed-off-by: Barnabás Pőcze <pobrn at protonmail.com>
---
 src/gstreamer/gstlibcamera-utils.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gstreamer/gstlibcamera-utils.cpp b/src/gstreamer/gstlibcamera-utils.cpp
index e163ce41..ec4da435 100644
--- a/src/gstreamer/gstlibcamera-utils.cpp
+++ b/src/gstreamer/gstlibcamera-utils.cpp
@@ -385,7 +385,7 @@ gst_libcamera_stream_configuration_to_caps(const StreamConfiguration &stream_cfg
 
 	if (stream_cfg.colorSpace) {
 		GstVideoColorimetry colorimetry = colorimetry_from_colorspace(stream_cfg.colorSpace.value());
-		gchar *colorimetry_str = gst_video_colorimetry_to_string(&colorimetry);
+		g_autofree gchar *colorimetry_str = gst_video_colorimetry_to_string(&colorimetry);
 
 		if (colorimetry_str)
 			gst_structure_set(s, "colorimetry", G_TYPE_STRING, colorimetry_str, nullptr);
-- 
2.45.0