freesound: don't exclude mp3s

Ardour can import MP3s nowadays: no need to exclude them from Freesound
search results any more.

gtk2_ardour/sfdb_ui.cc

@@ -1215,11 +1215,7 @@ SoundFileBrowser::freesound_search()
 	std::string theString = mootcher.searchText(
 			search_string,
 			freesound_page,
-#ifdef __APPLE__
+			"",
-			"", // OSX eats anything incl mp3
-#else
-			"type:(wav OR aiff OR flac OR aif OR ogg OR oga)",
-#endif
 			sort_method
 			);
 
@@ -1345,13 +1341,13 @@ SoundFileBrowser::handle_freesound_results(std::string theString) {
 
 			/* see http://www.freesound.org/help/faq/#licenses */
 			char shortlicense[64];
-			if(!licence.compare(0, 42, "http://creativecommons.org/licenses/by-nc/")){
+			if (licence.find("://creativecommons.org/licenses/by-nc/") != std::string::npos){
 				sprintf(shortlicense, "CC-BY-NC");
-			} else if(!licence.compare(0, 39, "http://creativecommons.org/licenses/by/")) {
+			} else if (licence.find ("://creativecommons.org/licenses/by/") != std::string::npos) {
 				sprintf(shortlicense, "CC-BY");
-			} else if(!licence.compare("http://creativecommons.org/licenses/sampling+/1.0/")) {
+			} else if (licence.find ("://creativecommons.org/licenses/sampling+/1.0/") != std::string::npos) {
 				sprintf(shortlicense, "sampling+");
-			} else if(!licence.compare(0, 40, "http://creativecommons.org/publicdomain/")) {
+			} else if (licence.find ("://creativecommons.org/publicdomain/") != std::string::npos) {
 				sprintf(shortlicense, "PD");
 			} else {
 				snprintf(shortlicense, 64, "%s", licence.c_str());