[dm-devel] multipath-tools: clang warnings(30)

[Xose Vazquez Perez]

spotted by clang-3.8.0:

28 warnings: array index X is past the end of the array (which contains Y element) [-Warray-bounds]
 1  warning: address of array 'mpp->wwid' will always evaluate to 'true' [-Wpointer-bool-conversion]
 1  warning: expression which evaluates to zero treated as a null pointer constant of type 'char *' [-Wnon-literal-null-conversion

clang output(81k): https://drive.google.com/file/d/0B_B6YmEmO7cDeEF1bXRVRHhFbDQ