calf: fix musl build

srcpkgs/calf/patches/musl-no-uint.patch

@@ -0,0 +1,11 @@
+--- src/calf/audio_fx.h.orig	2016-06-06 17:44:07.843406970 +0200
++++ src/calf/audio_fx.h	2016-06-06 17:44:11.809407175 +0200
+@@ -682,7 +682,7 @@
+ private:
+ public:
+     float target, real, amount;
+-    uint samples, round, cnt;
++    unsigned int samples, round, cnt;
+     double last;
+     samplereduction();
+     void set_params(float am);

srcpkgs/calf/template

@@ -1,7 +1,7 @@
 # Template file for 'calf'
 pkgname=calf
 version=0.0.60
-revision=2
+revision=3
 build_style=gnu-configure
 configure_args="--enable-experimental"
 if [ "$XBPS_TARGET_MACHINE" = "i686" -o "$XBPS_TARGET_MACHINE" = "x86_64" ]; then