Fixes the Makefile template to link .so.<MAJOR_VERSION>
This resolves a blocker stopping a clean linuxbrew install to work with one of
the wrapped libraries.
diff --git a/templates/Makefile.template b/templates/Makefile.template
index 848ee87..6315aab 100644
--- a/templates/Makefile.template
+++ b/templates/Makefile.template
@@ -930,6 +930,7 @@
$(Q) $(INSTALL) -d $(prefix)/lib
$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT) $(prefix)/lib/lib${lib.name}.$(SHARED_EXT)
ifneq ($(SYSTEM),Darwin)
+ $(Q) ln -sf lib${lib.name}.$(SHARED_EXT) $(prefix)/lib/lib${lib.name}.so.${settings.version.major}
$(Q) ln -sf lib${lib.name}.$(SHARED_EXT) $(prefix)/lib/lib${lib.name}.so
endif
endif