style fixes. No code changes

editors/awk.c

@@ -2145,7 +2145,8 @@ static var *evaluate(node *op, var *res)
 				X.rsm = newfile(R.s);
 				if (! X.rsm->F) {
 					if (opn == '|') {
-						if((X.rsm->F = popen(R.s, "w")) == NULL)
+						X.rsm->F = popen(R.s, "w");
+						if (X.rsm->F == NULL)
 							bb_perror_msg_and_die("popen");
 						X.rsm->is_pipe = 1;
 					} else {

editors/patch.c

@@ -62,7 +62,9 @@ static char *extract_filename(char *line, int patch_level)
 
 	/* skip over (patch_level) number of leading directories */
 	for (i = 0; i < patch_level; i++) {
-		if(!(temp = strchr(filename_start_ptr, '/'))) break;
+		temp = strchr(filename_start_ptr, '/');
+		if (!temp)
+			break;
 		filename_start_ptr = temp + 1;
 	}
 

editors/vi.c

@@ -447,7 +447,7 @@ static void edit_file(char * fn)
 				q = p;
 				p = strchr(q,'\n');
 				if (p)
-					while(*p == '\n')
+					while (*p == '\n')
 						*p++ = '\0';
 				if (*q)
 					colon(q);