Fix the following warnings from clang.
mcstrans.c:1309:6: warning: variable 'groups' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
if (violates_constraints(l)) {
^~~~~~~~~~~~~~~~~~~~~~~
mcstrans.c:1491:9: note: uninitialized use occurs here
while (groups)
^~~~~~
mcstrans.c:1309:2: note: remove the 'if' if its condition is always false
if (violates_constraints(l)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mcstrans.c:1303:6: warning: variable 'groups' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
if (!l)
^~
mcstrans.c:1491:9: note: uninitialized use occurs here
while (groups)
^~~~~~
mcstrans.c:1303:2: note: remove the 'if' if its condition is always false
if (!l)
^~~~~~~
mcstrans.c:1299:6: warning: variable 'groups' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
if (!level)
^~~~~~
mcstrans.c:1491:9: note: uninitialized use occurs here
while (groups)
^~~~~~
mcstrans.c:1299:2: note: remove the 'if' if its condition is always false
if (!level)
^~~~~~~~~~~
mcstrans.c:1316:2: note: variable 'groups' is declared here
word_group_t *groups = NULL;
^
3 warnings generated.
mcscolor.c:334:24: warning: size argument in 'strncat' call appears to be size of the source [-Wstrncat-size]
strncat(result, buf, sizeof(buf));
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
