scalarisctl: fixed path detection on Fedora 15 with installed Scalaris
scalarisctl: fixed path detection on Fedora 15 with installed Scalaris

Fedora 15 links /bin to /usr/bin.
The BINDIR is set to /usr/bin but since /bin is in the path before /usr/bin, when scalarisctl is called, it thinks it is in /bin and thus tries to fix the path as if Scalaris was not installed making Scalaris unusable.
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