3.0.3pre2 compile warnings on interix

[Steven Hartland]

All seems to compile ok but I get the following warnings on interix 3.5


flist.c: In function `recv_file_entry':
flist.c:840: warning: comparison between signed and unsigned
flist.c:874: warning: comparison between signed and unsigned
flist.c:876: warning: right shift count >= width of type
flist.c: In function `make_file':
flist.c:1178: warning: comparison between signed and unsigned
flist.c:1224: warning: comparison between signed and unsigned
flist.c:1226: warning: right shift count >= width of type

popt/findme.c: In function `findProgramPath':
popt/findme.c:28: warning: implicit declaration of function `alloca'
gcc -std=gnu99 -I. -I. -D_ALL_SOURCE -DHAVE_CONFIG_H -Wall -W -I./popt -Wno-unused-parameter -D_ALL_SOURCE -I/usr/local/include -I/usr/local/ssl/include 
 -c popt/popt.c -o popt/popt.o
popt/popt.c: In function `execCommand':
popt/popt.c:409: warning: implicit declaration of function `alloca'
gcc -std=gnu99 -I. -I. -D_ALL_SOURCE -DHAVE_CONFIG_H -Wall -W -I./popt -Wno-unused-parameter -D_ALL_SOURCE -I/usr/local/include -I/usr/local/ssl/include 
 -c popt/poptconfig.c -o popt/poptconfig.o
popt/poptconfig.c: In function `configLine':
popt/poptconfig.c:20: warning: implicit declaration of function `alloca'
gcc -std=gnu99 -I. -I. -D_ALL_SOURCE -DHAVE_CONFIG_H -Wall -W -I./popt -Wno-unused-parameter -D_ALL_SOURCE -I/usr/local/include -I/usr/local/ssl/include 
 -c popt/popthelp.c -o popt/popthelp.o
popt/popthelp.c: In function `showShortOptions':
popt/popthelp.c:767: warning: implicit declaration of function `alloca'
gcc -std=gnu99 -I. -I. -D_ALL_SOURCE -DHAVE_CONFIG_H -Wall -W -I./popt -Wno-unused-parameter -D_ALL_SOURCE -I/usr/local/include -I/usr/local/ssl/include 
 -c popt/poptparse.c -o popt/poptparse.o
popt/poptparse.c: In function `poptParseArgvString':
popt/poptparse.c:67: warning: implicit declaration of function `alloca' 


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