[svn] * src/client.c,src/fetch.c,src/lock.c.src/protocol.c,src/util.h,src/util.c: Define our own SignalHandler type rather than use the rather Linux-specific (and potentially glibc version specific) sig_t. * src/client.c,src/database.h,src/database.c,src/over.h,src/over.c, src/pseudo.c,src/server.c: Ensure format string specifiers and passed data types match. As part of this, change some uses of size_t as a general data type to an appropriate base C type. Database status changes from int to unsigned.

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