telegram-desktop: add musl patch

srcpkgs/telegram-desktop/patches/0001-musl.patch

@@ -0,0 +1,64 @@
+--- Telegram/lib_base/base/platform/linux/base_info_linux.cpp	2020-06-03 09:28:30.000000000 +0200
++++ -	2020-06-08 00:40:30.503197310 +0200
+@@ -13,7 +13,6 @@
+ #include <QtCore/QVersionNumber>
+ #include <QtCore/QDate>
+ #include <QtGui/QGuiApplication>
+-#include <gnu/libc-version.h>
+ 
+ namespace Platform {
+ namespace {
+@@ -53,15 +52,6 @@
+ 	}
+ }
+ 
+-const std::optional<QVersionNumber> &GetLibCVersion() {
+-	static const auto result = [&] {
+-		const auto version = gnu_get_libc_version(); // #TODO log
+-		const auto parsed = QVersionNumber::fromString(version);
+-		return parsed.isNull() ? std::nullopt : std::make_optional(parsed);
+-	}();
+-	return result;
+-}
+-
+ } // namespace
+ 
+ QString DeviceModelPretty() {
+@@ -84,8 +74,7 @@
+ 	return "Linux "
+ 		+ (list.isEmpty() ? QString() : list[0] + ' ')
+ 		+ (IsWayland() ? "Wayland " : "X11 ")
+-		+ "glibc "
+-		+ GetGlibCVersion();
++		+ "void ";
+ }
+ 
+ QString SystemCountry() {
+@@ -103,11 +92,7 @@
+ QDate WhenSystemBecomesOutdated() {
+ 	if (IsLinux32Bit()) {
+ 		return QDate(2020, 9, 1);
+-	} else if (const auto version = GetGlibCVersion(); !version.isEmpty()) {
+-		if (QVersionNumber::fromString(version) < QVersionNumber(2, 23)) {
+-			return QDate(2020, 9, 1); // Older than Ubuntu 16.04.
+-		}
+-	}
++	} 
+ 	return QDate();
+ }
+ 
+@@ -129,14 +114,6 @@
+ 	}
+ }
+ 
+-QString GetGlibCVersion() {
+-	static const auto result = [&] {
+-		const auto version = QString::fromLatin1(gnu_get_libc_version());
+-		return QVersionNumber::fromString(version).isNull() ? QString() : version;
+-	}();
+-	return result;
+-}
+-
+ bool IsWayland() {
+ 	return QGuiApplication::platformName().startsWith("wayland", Qt::CaseInsensitive);
+ }