Avoid use of undefined rpm variable

%{_root_datair} is defined as ${_prefix}/share by the %scl_package
macro, which we don't invoke, so replace its use accordingly.

Resolves: RHEL-30154

compat-sap-c++-13.spec

@@ -149,7 +149,7 @@ Summary: C++ compatibility runtime library for SAP applications
 Name: %{?scl_prefix}c++-13
 ExclusiveArch: x86_64 ppc64le s390x
 Version: %{gcc_version}
-Release: %{gcc_release}.3.1%{?dist}
+Release: %{gcc_release}.3.2%{?dist}
 # libgcc, libgfortran, libgomp, libstdc++ and crtstuff have
 # GCC Runtime Exception.
 License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
@@ -630,7 +630,7 @@ CONFIGURE_OPTS="\
 %endif
 	--with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions \
 	--enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only \
-	--enable-libstdcxx-backtrace --with-libstdcxx-zoneinfo=%{_root_datadir}/zoneinfo \
+	--enable-libstdcxx-backtrace --with-libstdcxx-zoneinfo=%{_prefix}/share/zoneinfo \
 %ifnarch %{mips}
 	--with-linker-hash-style=gnu \
 %endif
@@ -867,5 +867,5 @@ fi
 %end
 
 %changelog
-* Sun Apr 28 2024 Patrick Palka <ppalka@redhat.com> 13.2.1-6.3.1
+* Mon Apr 29 2024 Patrick Palka <ppalka@redhat.com> 13.2.1-6.3.2
 - new package