rpm.spec.in: Update deprecated [Build]Prereq tags
AFAICT, Requires and BuildRequires subsumed the functionality of Prereq
and BuildPrereq in RPM 4.0, and none of the platforms we support with
libjpeg-turbo 2.0.x has RPM < 4.4.
diff --git a/release/rpm.spec.in b/release/rpm.spec.in
index a22c5e1..b1826cc 100644
--- a/release/rpm.spec.in
+++ b/release/rpm.spec.in
@@ -43,7 +43,7 @@
Release: @BUILD@
License: BSD-style
BuildRoot: %{_blddir}/%{name}-buildroot-%{version}-%{release}
-Prereq: /sbin/ldconfig
+Requires: /sbin/ldconfig
%if "%{_bits}" == "64"
Provides: %{name} = %{version}-%{release}, @CMAKE_PROJECT_NAME@ = %{version}-%{release}, libturbojpeg.so()(64bit)
%else
