Fix nsTime on 32-bit linux
clock_gettime writes to a struct timespec of which the first member is a time_t. This type is not well-defined, but on my machine it is 32-bits when compiling for x86.
clock_gettime writes to a struct timespec of which the first member is a time_t. This type is not well-defined, but on my machine it is 32-bits when compiling for x86.