input_file, input_curl, icy_metadata: added GLib log domains

Define G_LOG_DOMAIN.

src/icy_metadata.c

@@ -24,6 +24,9 @@
 #include <assert.h>
 #include <string.h>
 
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "icy_metadata"
+
 void
 icy_deinit(struct icy_metadata *im)
 {

src/input_curl.c

@@ -31,6 +31,9 @@
 #include <curl/curl.h>
 #include <glib.h>
 
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "input_curl"
+
 /** rewinding is possible after up to 64 kB */
 static const off_t max_rewind_size = 64 * 1024;
 

src/input_file.c

@@ -25,6 +25,9 @@
 #include <string.h>
 #include <glib.h>
 
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "input_file"
+
 static bool
 input_file_open(struct input_stream *is, const char *filename)
 {