fix kldload error return when a module is rejected because it's statically linked in the kernel.  When this condition is detected deep in the linker internals the EEXIST error code that's returned is stomped on and instead an ENOEXEC code is returned.  This makes apps like sysinstall bitch.
fix kldload error return when a module is rejected because it's statically
linked in the kernel.  When this condition is detected deep in the linker
internals the EEXIST error code that's returned is stomped on and instead
an ENOEXEC code is returned.  This makes apps like sysinstall bitch.

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