Fix gcc, sparse & lint warnings

cppsetup.c:74:9: warning: Using plain integer as NULL pointer

parse.c: In function `gobble':
parse.c:94: warning: int format, long int arg (arg 2)
parse.c: In function `find_includes':
parse.c:641: warning: int format, long int arg (arg 2)
parse.c:664: warning: int format, long int arg (arg 2)
parse.c:677: warning: int format, long int arg (arg 2)
parse.c:684: warning: int format, long int arg (arg 2)

pr.c: In function `add_include':
pr.c:57: warning: int format, long int arg (arg 4)
pr.c:59: warning: int format, long int arg (arg 3)

declared global, could be static
    sig_act             main.c(142)
    predefs             main.c:imakemdep.h(51)

Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/main.c b/main.c
index 802ef3d..46e7c73 100644
--- a/main.c
+++ b/main.c
@@ -143,7 +143,7 @@ catch (int sig)
 #define sa_mask sv_mask
 #define sa_flags sv_flags
 #endif
-struct sigaction sig_act;
+static struct sigaction sig_act;
 #endif /* USGISH */
 
 #ifndef USING_AUTOCONF