linux-generic: Add space to avoid C++11 literal/identifier warning
linux-generic: Add space to avoid C++11 literal/identifier warning

When building with --std=c++0x or --std=c++11, you will otherwise get
this warning:

  C++11 requires a space between literal and identifier [-Wliteral-suffix]
    ODP_VERSION_TO_STR(ODP_VERSION_API_GENERATION) "."\

Signed-off-by: Simon Kagstrom <55f06860226d5500245ed5c8a62a0a8911dc9a7e@netinsight.net>
Reviewed-by Mike Holmes <Mike.holmes@linaro.org>
Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>

kalray/odp-mppa,erachmi/odp,mike-holmes-linaro/odp,mike-holmes-linaro/odp,rsalveti/odp,mike-holmes-linaro/odp,erachmi/odp,rsalveti/odp,ravineet-singh/odp,rsalveti/odp,dkrot/odp,kalray/odp-mppa,rsalveti/odp,nmorey/odp,mike-holmes-linaro/odp,erachmi/odp,ravineet-singh/odp,kalray/odp-mppa,dkrot/odp,ravineet-singh/odp,ravineet-singh/odp,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,erachmi/odp,nmorey/odp,kalray/odp-mppa,rsalveti/odp,nmorey/odp,dkrot/odp,dkrot/odp,nmorey/odp