Change eosiocpp linker ordering

Make dependant libraries go first.. as is tradition. Though I'm a little surprised llvm-link needed this. Resolves problem internally found by andrianto

tools/eosiocpp.in

@@ -52,9 +52,11 @@ function build_contract {
     done
 
     ($PRINT_CMDS; @WASM_LLVM_LINK@ -only-needed -o $workdir/linked.bc $workdir/built/* \
-                                   ${EOSIO_INSTALL_DIR}/usr/share/eosio/contractsdk/lib/libc.bc \
+                                   ${EOSIO_INSTALL_DIR}/usr/share/eosio/contractsdk/lib/eosiolib.bc \
                                    ${EOSIO_INSTALL_DIR}/usr/share/eosio/contractsdk/lib/libc++.bc \
-                                   ${EOSIO_INSTALL_DIR}/usr/share/eosio/contractsdk/lib/eosiolib.bc 
+                                   ${EOSIO_INSTALL_DIR}/usr/share/eosio/contractsdk/lib/libc.bc
+
+
     )
     ($PRINT_CMDS; @WASM_LLC@ -thread-model=single --asm-verbose=false -o $workdir/assembly.s $workdir/linked.bc)
     ($PRINT_CMDS; ${EOSIO_INSTALL_DIR}/bin/eosio-s2wasm -o $outname -s 16384 $workdir/assembly.s)