gnustep-base: add patch for compatibility with libxml2 v2.11.0

Author: triplef

patches/gnustep-base-libxml-v2.11.0.patch

@@ -0,0 +1,17 @@
+https://github.com/gnustep/libs-base/issues/294
+
+diff --git a/Source/Additions/GSXML.m b/Source/Additions/GSXML.m
+index 37f509564..46fda62bd 100644
+--- a/Source/Additions/GSXML.m
++++ b/Source/Additions/GSXML.m
+@@ -2671,10 +2671,6 @@ getEntityDefault(void *ctx, const xmlChar *name, BOOL resolve)
+                   return NULL;
+                 }
+               ret->owner = 1;
+-              if (ret->checked == 0)
+-                {
+-                  ret->checked = 1;
+-                }
+             }
+         }
+     }