[rpms/mariadb-connector-c] f44: [cleanup] Replace private '%__cmake_builddir' macro with public '%{_vpath_builddir}'

[Michal Schorm <mschorm@redhat.com>]

            A new commit has been pushed.

            Repo   : rpms/mariadb-connector-c
            Branch : f44
            Commit : 3869a568f0fb1d27062010116e28a8f78289f18c
            Author : Michal Schorm <mschorm@redhat.com>
            Date   : 2026-06-24T20:21:38+02:00
            Stats  : +2/-2 in 1 file(s)
            URL    : https://src.fedoraproject.org/rpms/mariadb-connector-c/c/3869a568f0fb1d27062010116e28a8f78289f18c?branch=f44

            Log:
            [cleanup] Replace private '%__cmake_builddir' macro with public '%{_vpath_builddir}'

Both expand to the same value, but '%{_vpath_builddir}' is the
documented public macro, while '%__cmake_builddir' is a private
implementation detail of the '%cmake' macro family.

Co-Authored-By: Claude AI <noreply@anthropic.com>

---
diff --git a/mariadb-connector-c.spec b/mariadb-connector-c.spec
index fd941ab..316fabe 100644
--- a/mariadb-connector-c.spec
+++ b/mariadb-connector-c.spec
@@ -146,7 +146,7 @@ rm -r win win-iconv external/zlib
        -DWITH_UNIT_TESTS=ON
 %endif
 
-cmake -B %__cmake_builddir -LAH
+cmake -B %{_vpath_builddir} -LAH
 
 %cmake_build
 
@@ -186,7 +186,7 @@ install -D -p -m 0644 %{name}.conf %{buildroot}%{_sysconfdir}/ld.so.conf.d/%{nam
 # - ignore the testsuite result for now. Enable tests now, fix them later.
 # Note: there must be a database called 'test' created for the testcases to be run
 %if %{with testsuite}
-%ctest --test-dir %{__cmake_builddir}/unittest/libmariadb/
+%ctest --test-dir %{_vpath_builddir}/unittest/libmariadb/
 %endif