Improve camel_file_util_encode_fixed_string()
Improve camel_file_util_encode_fixed_string()

Allocate the buffer from the heap.  We can't statically declare the
buffer because it's not a fixed size, and allocating an arbitrarily
sized buffer on a stack frame is just asking for trouble.

gcampax/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,tintou/evolution-data-server,gcampax/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,gcampax/evolution-data-server,gcampax/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server