libcdparanoia: byteswap null check

From upstream r15356, fixes a segfault when attempting to read discs

srcpkgs/cdparanoia/patches/byteswap-null-check.diff

@@ -0,0 +1,13 @@
+Index: interface/interface.c
+===================================================================
+--- a/interface/interface.c	(revision 15338)
++++ b/interface/interface.c	(revision 15356)
+@@ -118,7 +118,7 @@
+ 	if(d->bigendianp==-1) /* not determined yet */
+ 	  d->bigendianp=data_bigendianp(d);
+ 	
+-	if(d->bigendianp!=bigendianp()){
++	if(buffer && d->bigendianp!=bigendianp()){
+ 	  int i;
+ 	  u_int16_t *p=(u_int16_t *)buffer;
+ 	  long els=sectors*CD_FRAMESIZE_RAW/2;

srcpkgs/cdparanoia/template

@@ -1,7 +1,7 @@
 # Template file for 'cdparanoia'
 pkgname=cdparanoia
 version=10.2
-revision=14
+revision=15
 wrksrc="${pkgname}-III-${version}"
 build_style=gnu-configure
 hostmakedepends="libtool automake"