[patch] gfile.cc cannot be compiled

[Martin P. <ma...@pe...>]

gfile.cc cannot be compiled with gcc 4.4 due to mismatch between const
char* and char*. Attached patch fixes it, though I am not sure whether
there would be some odd effects with another compilers, therefore I am
sending this for review.

The error without this patch is:

g++ -c  -O2   -fmessage-length=0 -D_FORTIFY_SOURCE=2 -fno-strict-aliasing
-fexceptions    -pipe -posix -ansi -std=c++98  -I.
-I/home/bilbo/p/pdfedit/src -I/home/bilbo/p/pdfedit/src/xpdf/
-I/usr/include -I/usr/include/freetype2  -o gfile.o gfile.cc
gfile.cc: In function ‘GString* grabPath(const char*)’:
gfile.cc:324: error: invalid conversion from ‘const char*’ to ‘char*’


Martin Petricek
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