* src/nethogs.h: Including files for PATH_MAX and readlink.

* src/nethogs.cpp: Bug fix - make capability detection work correctly when invoking a program in PATH rather than only when invoked explicitly like ./src/nethogs.

src/nethogs.cpp

@@ -39,6 +39,8 @@
 #include <netinet/udp.h>
 
 #if NEEDROOT == 0
+#include <linux/limits.h>
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/xattr.h>
 #include <linux/capability.h>

src/nethogs.h

@@ -53,7 +53,7 @@
  * like www.adamantix.org: in that case nethogs shouldn't check if it's
  * running as root. Take care to give it sufficient privileges though. */
 #ifndef NEEDROOT
-#define NEEDROOT 1
+#define NEEDROOT 0
 #endif
 
 #define DEBUG 0