[flatpak] build custom openssl

we need legacy providers or openssl 1.1.1 for compatibility with older
windows servers.

packaging/flatpak/com.freerdp.FreeRDP.json

@@ -9,10 +9,15 @@
 	},
 	"command": "freerdp.sh",
 	"cleanup": [
+		"*.a",
 		"*.la",
 		"/include",
 		"/lib/cmake",
-		"/lib/pkgconfig"
+		"/lib/pkgconfig",
+		"/sbin",
+		"/share/doc",
+		"/share/examples",
+		"/share/man"
 	],
 	"finish-args": [
 		"--device=dri",
@@ -42,6 +47,7 @@
 		}
 	},
 	"modules": [
+		"modules/openssl.json",
 		"modules/libusb.json",
 		"modules/uriparser.json",
 		"modules/cJSON.json",

packaging/flatpak/modules/openssl.json

@@ -0,0 +1,17 @@
+{
+	"name": "openssl",
+	"buildsystem": "simple",
+	"build-commands": [
+		"./config --prefix=/app --openssldir=/app --libdir=lib shared",
+		"make -j build_sw",
+		"make -j install_sw"
+	],
+	"cleanup": [],
+	"sources": [
+		{
+			"type": "archive",
+			"url": "https://openssl.org/source/openssl-3.1.5.tar.gz",
+			"sha256": "6ae015467dabf0469b139ada93319327be24b98251ffaeceda0221848dc09262"
+		}
+	]
+}