pkgin/pkgin e6ffb00. fsops.c tools.c

Fix -Werror=conversion failure in trimcr().

While here avoid a separate strlen call in read_repos(), using the
length returned by trimcr().  The check for a NULL buf is removed as it
was already tested earlier in the function.
DeltaFile
+1-4fsops.c
+2-2tools.c
+1-1tools.h
+4-73 files

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