Fix assumptions about sizeof(long/ulong)

So I did a search through the code for sizeof.*long and was surprised to find some remaining (harmless) assumptions that a long is 32-bit.

src/sbbs3/qwk.cpp

@@ -381,11 +381,11 @@ void sbbs_t::qwk_sec()
 	int 	s;
 	uint	i;
 	ulong	msgcnt;
-	ulong	*sav_ptr;
+	uint32_t* sav_ptr;
 
 	getusrdirs();
-	if((sav_ptr=(ulong *)malloc(sizeof(ulong)*cfg.total_subs))==NULL) {
-		errormsg(WHERE,ERR_ALLOC,nulstr,sizeof(ulong)*cfg.total_subs);
+	if((sav_ptr=(uint32_t *)malloc(sizeof(uint32_t)*cfg.total_subs))==NULL) {
+		errormsg(WHERE,ERR_ALLOC,nulstr,sizeof(uint32_t)*cfg.total_subs);
 		return;
 	}
 	for(i=0;i<cfg.total_subs;i++)

src/sbbs3/qwknodes.c

@@ -158,7 +158,7 @@ int main(int argc, char **argv)
 	char		str[256],tmp[128],tag[256],addr[256],*p;
 	int 		i,j,mode=0,cmd=0,o_mode,max_age=0;
 	ushort		smm,sbl;
-	ulong		*crc=NULL,curcrc,total_crcs=0,l;
+	uint32_t	*crc=NULL,curcrc,total_crcs=0,l;
 	FILE		*route,*users,*nodes;
 	time_t		now;
 	smbmsg_t	msg;
@@ -315,10 +315,10 @@ int main(int argc, char **argv)
 						break;
 				if(l==total_crcs) {
 					total_crcs++;
-					if((crc=(ulong *)realloc(crc
-						,sizeof(ulong)*total_crcs))==NULL) {
+					if((crc=(uint32_t *)realloc(crc
+						,sizeof(uint32_t)*total_crcs))==NULL) {
 						printf("Error allocating %lu bytes\n"
-							,sizeof(ulong)*total_crcs);
+							,sizeof(uint32_t)*total_crcs);
 						break; 
 					}
 					crc[l]=curcrc;

src/sbbs3/sbbsecho.c

@@ -2367,7 +2367,7 @@ int attachment(const char *bundlename, fidoaddr_t dest, enum attachment_mode mod
 	char str[MAX_PATH+1],*path,*p;
 	char bundle_list_filename[MAX_PATH+1];
 	int fmsg,file,error=0L;
-	long fncrc,*mfncrc=0L,num_mfncrc=0L,crcidx;
+	uint32_t fncrc,*mfncrc=0L,num_mfncrc=0L,crcidx;
     attach_t attach;
 	fmsghdr_t hdr;
 	size_t		f;
@@ -2432,9 +2432,9 @@ int attachment(const char *bundlename, fidoaddr_t dest, enum attachment_mode mod
 				continue;
 			num_mfncrc++;
 			p=getfname(hdr.subj);
-			if((mfncrc=(long *)realloc(mfncrc,num_mfncrc*sizeof(long)))==NULL) {
+			if((mfncrc=(uint32_t *)realloc(mfncrc,num_mfncrc*sizeof(uint32_t)))==NULL) {
 				lprintf(LOG_ERR,"ERROR line %d allocating %lu for bundle name crc"
-					,__LINE__,num_mfncrc*sizeof(long));
+					,__LINE__,num_mfncrc*sizeof(uint32_t));
 				continue;
 			}
 			mfncrc[num_mfncrc-1]=crc32(strupr(p),0);

src/sbbs3/scfglib1.c

@@ -580,7 +580,7 @@ BOOL read_msgs_cfg(scfg_t* cfg, char* error, size_t maxerrlen)
 
 		if(k) {
 			if((cfg->qhub[i]->sub=(sub_t**)malloc(sizeof(sub_t*)*k))==NULL)
-				return allocerr(instream, error, maxerrlen, offset,fname,sizeof(ulong)*k);
+				return allocerr(instream, error, maxerrlen, offset,fname,sizeof(sub_t)*k);
 			if((cfg->qhub[i]->conf=(ushort *)malloc(sizeof(ushort)*k))==NULL)
 				return allocerr(instream, error, maxerrlen, offset,fname,sizeof(ushort)*k);
 			if((cfg->qhub[i]->mode=(char *)malloc(sizeof(char)*k))==NULL)