libpsl fix static library

net/libs/mbedtls/ympbuild

@@ -21,6 +21,7 @@ setup(){
     cmake -B build -G Ninja \
 		-DCMAKE_BUILD_TYPE=MinSizeRel \
 		-DCMAKE_INSTALL_PREFIX=/usr \
+		-DCMAKE_INSTALL_LIBDIR=lib64 \
 		-DUSE_SHARED_MBEDTLS_LIBRARY=ON
 }