Minor fixes for OpenVMS.

* vms_name.com: Suppress a warning with the latest Clang compiler.

* builds/vms/apinames_vms.bash: Use absolute path to avoid dependency on the
  environment.

builds/vms/apinames_vms.bash

@@ -1,2 +1,2 @@
 src/tools/apinames -wV include/freetype/*.h > freetype_vms0.opt
-mv freetype_vms0.opt freetype_vms.opt
+/gnu/bin/mv freetype_vms0.opt freetype_vms.opt

vms_make.com

@@ -1499,7 +1499,8 @@ $ deck
 
 CFLAGS=$(COMP_FLAGS)$(DEBUG)/include=([--.include],[--.src.sfnt])
 .ifdef X86
-CXXFLAGS=$(CXXCOMP_FLAGS) -I[] -I[--.include] -I[--.src.base] -Isys$library
+CXXFLAGS=$(CXXCOMP_FLAGS) -I[] -I[--.include] -I[--.src.base] -Isys$library\
+         -Wno-incompatible-pointer-types
 .endif
 
 .ifdef X86