gnutls string the needle for exact C++ versio nwe need

Author: mitchcapper

build/f_gnutls_build.sh

@@ -7,7 +7,7 @@ BLD_CONFIG_GNU_LIBS_ADDL=( "dirent" "getopt-gnu" "opendir" "closedir" "readdir"
 BLD_CONFIG_CONFIG_CMD_ADDL=( "--with-included-unistring" )
 BLD_CONFIG_VCPKG_DEPS=( "gmp" "nettle" "brotli" "zstd" )
 BLD_CONFIG_PKG_CONFIG_MANUAL_ADD=( "gmp" )
-BLD_CONFIG_BUILD_ADDL_CFLAGS=( "-I../gl/" "-std:c++latest" )
+BLD_CONFIG_BUILD_ADDL_CFLAGS=( "-I../gl/" "-std:c++14" )
 BLD_CONFIG_BUILD_ADDL_CFLAGS_STATIC=("-DASN1_STATIC")
 BLD_CONFIG_OUR_LIB_DEPS=("libtasn1" "p11-kit" "zlib")
 BLD_CONFIG_OUR_LIB_BINS_PATH=("libtasn1")