pidgin-gpg: fix on musl

srcpkgs/pidgin-gpg/patches/musl-encrypt.patch

@@ -0,0 +1,22 @@
+Musl provides encrypt() with different signature in unistd.h.
+
+--- src/pidgin-gpg.c
++++ src/pidgin-gpg.c
+@@ -458,7 +458,7 @@ static char* verify(const char* sig_str)
+ /* ------------------
+  * encrypt a plain string with the key found with fingerprint fpr
+  * ------------------ */
+-static char* encrypt(const char* plain_str, const char* fpr)
++static char* p_encrypt(const char* plain_str, const char* fpr)
+ {
+ 	gpgme_error_t error;
+ 	gpgme_ctx_t ctx;
+@@ -829,7 +829,7 @@ void jabber_send_signal_cb(PurpleConnection *pc, xmlnode **packet,
+ 			free(bare_jid);
+ 
+ 			// encrypt message
+-			enc_str = encrypt(message,fpr_to);
++			enc_str = p_encrypt(message,fpr_to);
+ 			if (enc_str != NULL)
+ 			{
+ 				// remove message from body