app-misc/mc: skip problematic iconv-related test on musl

Obviously not a proper solution but I really need upstream feedback
on this, and they have yet to even acknowledge the relevant bug
on their tracker.

Url: https://midnight-commander.org/ticket/4495
Signed-off-by: Marek Szuba <marecki@gentoo.org>

app-misc/mc/files/mc-4.8.30-musl-tests.patch

@@ -0,0 +1,15 @@
+--- a/tests/lib/vfs/path_len.c
++++ b/tests/lib/vfs/path_len.c
+@@ -89,12 +89,6 @@
+         "/тестовый/путь",
+         26
+     },
+-#ifdef HAVE_CHARSET
+-    { /* 3. */
+-        "/#enc:KOI8-R/тестовый/путь",
+-        38
+-    },
+-#endif /* HAVE_CHARSET */
+ };
+ /* *INDENT-ON* */
+ 

app-misc/mc/mc-4.8.30-r1.ebuild

@@ -55,7 +55,10 @@ PATCHES=(
 
 src_prepare() {
 	default
-	# patch touches configure.ac
+
+	# Bug #906194
+	use elibc_musl && eapply "${FILESDIR}"/${PN}-4.8.30-musl-tests.patch
+
 	eautoreconf
 }