Bug 899722 Part 1: Fix ECMAScript intl on BSD by stripping the extra 's' added to the library name, as done on linux. r=norbert

diff --git a/intl/icu/source/config/mh-bsd-gcc b/intl/icu/source/config/mh-bsd-gcc
--- a/intl/icu/source/config/mh-bsd-gcc
+++ b/intl/icu/source/config/mh-bsd-gcc
@@ -58,10 +58,22 @@ STATIC_O = ao
 
 ## Versioned libraries rules
 
 %.$(SO).$(SO_TARGET_VERSION_MAJOR): %.$(SO).$(SO_TARGET_VERSION)
 	$(RM) $@ && ln -s ${<F} $@
 %.$(SO): %.$(SO).$(SO_TARGET_VERSION_MAJOR)
 	$(RM) $@ && ln -s ${*F}.$(SO).$(SO_TARGET_VERSION) $@
 
-## End FreeBSD-specific setup
+##  Bind internal references
 
+# LDflags that pkgdata will use
+BIR_LDFLAGS= -Wl,-Bsymbolic
+
+# Dependencies [i.e. map files] for the final library
+BIR_DEPS=
+
+## Remove shared library 's'
+STATIC_PREFIX_WHEN_USED = 
+STATIC_PREFIX = 
+
+## End BSD-specific setup
+