wvdial: Fix build with musl

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-connectivity/wvdial/wvdial/musl-support.patch

@@ -0,0 +1,25 @@
+Drop support for glibc < 2.10, in master we are at 2.28
+in process get it working with musl as well.
+
+Upstream-Status: Inappropriate [No upstream]
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+--- a/wvmodemscan.cc
++++ b/wvmodemscan.cc
+@@ -495,16 +495,8 @@ static int fileselect(const struct diren
+ 	// (no internal ISDN support)   || !strncmp(e->d_name, "ttyI", 4);
+ }
+ 
+-#if defined(__GLIBC__) && __GLIBC_PREREQ(2, 10)
+ static int filesort(const dirent **e1, const dirent **e2)
+-#else
+-static int filesort(const void *_e1, const void *_e2)
+-#endif
+ {
+-#if !(defined(__GLIBC__) && __GLIBC_PREREQ(2, 10))
+-    dirent const * const *e1 = (dirent const * const *)_e1;
+-    dirent const * const *e2 = (dirent const * const *)_e2;
+-#endif
+     const char *p1, *p2;
+     int diff;
+     

meta-oe/recipes-connectivity/wvdial/wvdial_1.61.bb

@@ -11,8 +11,8 @@ RDEPENDS_${PN} = "ppp"
 
 SRC_URI = "http://${BPN}.googlecode.com/files/${BP}.tar.bz2 \
            file://typo_pon.wvdial.1.patch \
+           file://musl-support.patch \
           "
-
 SRC_URI[md5sum] = "37e9a2d664effe4efd44c0e1a20136de"
 SRC_URI[sha256sum] = "99906d9560cbdbc97e1855e7b0a7169f1e11983be3ac539140423f09debced82"
 
@@ -21,8 +21,6 @@ export WVLINK="${LD}"
 
 PARALLEL_MAKE = ""
 
-BUILD_CPPFLAGS += "-I${STAGING_INCDIR}/wvstreams"
-
 do_configure() {
     sed -i 's/LDFLAGS+=-luniconf/LIBS+=-luniconf/' ${S}/Makefile
 }
@@ -30,5 +28,3 @@ do_configure() {
 do_install() {
     oe_runmake prefix=${D}/usr PPPDIR=${D}/etc/ppp/peers install
 }
-# http://errors.yoctoproject.org/Errors/Details/186959/
-EXCLUDE_FROM_WORLD_libc-musl = "1"