Fix build with clang6 [1]

Use a different distfile that has a properly versioned directory. The checksum
has changed, but there are no file changes, only the WRKSRC has been renamed
from the confusing "libcoverart-{PROJECT_VERSION}" to "libcoverart-1.0.0".

Reported by:	pkg-fallout [1]

1 files changed, 16 insertions, 0 deletions

diff --git a/audio/libcoverart/files/patch-src_xmlParser.cpp b/audio/libcoverart/files/patch-src_xmlParser.cpp
new file mode 100644
index 000000000000..f2a6a9deccd5
--- /dev/null
+++ b/audio/libcoverart/files/patch-src_xmlParser.cpp
@@ -0,0 +1,16 @@
+Fix build with clang6.
+src/xmlParser.cpp:676:27: error: cast from pointer to smaller type 'char' loses information
+        lpszNew[cbData] = (XMLCHAR)NULL;
+                          ^~~~~~~~~~~~~
+
+--- src/xmlParser.cpp.orig	2018-01-20 21:39:55 UTC
++++ src/xmlParser.cpp
+@@ -673,7 +673,7 @@ XMLSTR stringDup(XMLCSTR lpszData, int cbData)
+     if (lpszNew)
+     {
+         memcpy(lpszNew, lpszData, (cbData) * sizeof(XMLCHAR));
+-        lpszNew[cbData] = (XMLCHAR)NULL;
++        lpszNew[cbData] = 0;
+     }
+     return lpszNew;
+ }