configure: use warn() for mips unknown cpu warning

Found-by: ubitux Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
10 years ago · 23679d82f6
--- a/configure
+++ b/configure
@@ -4239,7 +4239,7 @@ elif enabled mips; then
        ;;
        *)
            # Unknown CPU. Disable everything.
            echo "Warning: unknown CPU. Disabling all MIPS optimizations."
            warn "unknown CPU. Disabling all MIPS optimizations."
            disable mipsfpu
            disable mips32r2
            disable mips32r6