libqrexec-utils: bump SO version because of ABI change

New functions were introduced.

qrexec-lib/Makefile

@@ -1,7 +1,7 @@
 CC=gcc
 CFLAGS+=-I. -g -O2 -Wall -Wextra -Werror -pie -fPIC `pkg-config --cflags vchan-$(BACKEND_VMM)`
 COMMONIOALL=ioall.o
-SO_VER=1
+SO_VER=2
 LDFLAGS=-shared
 VCHANLIBS = `pkg-config --libs vchan-$(BACKEND_VMM)`
 

rpm_spec/qubes-utils.spec

@@ -85,8 +85,8 @@ rm -rf $RPM_BUILD_ROOT
 %{python_sitearch}/qubes/imgconverter.pyo
 
 %files libs
-%{_libdir}/libqrexec-utils.so.1
-%{_libdir}/libqubes-rpc-filecopy.so.1
+%{_libdir}/libqrexec-utils.so.2
+%{_libdir}/libqubes-rpc-filecopy.so.2
 
 %files devel
 %defattr(-,root,root,-)