libstdc++: rebuild configure

An earlier configury patch made originally in gcc-15, where no line
number changes came up during configure rebuild, needed an explicit
rebuild after porting to trunk.

for  libstdc++-v3/ChangeLog

	* configure: Rebuild.

diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 6e5e424b9dbb16af45859ed4baf06af9f773d959..b51694ecdfbeee2e9d5d0b95469af606c39b0e34 100755 (executable)
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -54147,7 +54147,7 @@ $as_echo "$glibcxx_cv_libbacktrace_atomics" >&6; }
     CXXFLAGS='-O0 -S'
 
     cat > conftest.$ac_ext << EOF
-#line 54148 "configure"
+#line 54150 "configure"
 #include <stddef.h>
 int main()
 {