Bugfix in unix build (use of strncmp).

src/sbbs3/jsexec.c

@@ -558,7 +558,7 @@ long js_exec(const char *fname, char** args)
 			break;
 		line_no++;
 #ifdef __unix__	/* Support Unix Shell Scripts that start with #!/path/to/jsexec */
-		if(line_no==1 && strncmp(line,"#!",2))
+		if(line_no==1 && strncmp(line,"#!",2)==0)
 			continue;
 #endif
 		if((js_buf=realloc(js_buf,js_buflen+strlen(line)))==NULL) {