slightly more consistency for the Darwin linker options

Originally committed as revision 7360 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -753,7 +753,7 @@ video4linux2="no"
 audio_oss="no"
 dv1394="no"
 need_memalign="no"
-SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -read_only_relocs suppress"
+SHFLAGS="-dynamiclib -Wl,-single_module -Wl,-install_name,\$(shlibdir)/\$(SLIBNAME),-current_version,\$(SPPVERSION),-compatibility_version,\$(SPPVERSION) -Wl,-read_only_relocs,suppress"
 VHOOKSHFLAGS='-dynamiclib -Wl,-single_module -flat_namespace -undefined suppress -Wl,-install_name,$(shlibdir)/vhook/$@'
 extralibs=""
 strip="strip -x"