Basic patch for android cross-compilation.

Commented non-existing functions in android NDK.
Prefix scripts execution with shell binary to allow execution on no-exec mount points.
Everyything is currently hard coded, while it should use pre-compiler variables...

src/process.c

@@ -376,6 +376,16 @@ bool execute_script(const char *name, char **envp) {
 		free(scriptname);
 		return true;
 	}
+    else
+    {
+        // Ugly hard-code allowing execution of scripts on android without execution flag (such as on /sdcard)
+        free(scriptname);
+        len = xasprintf(&scriptname, "/system/bin/sh \"%s/%s\"", confbase, name);
+        if(len < 0)
+        {
+            return false;
+        }
+    }
 #endif
 
 	ifdebug(STATUS) logger(LOG_INFO, "Executing script %s", name);

src/tincd.c

@@ -467,8 +467,9 @@ static bool drop_privs() {
 			       "initgroups", strerror(errno));
 			return false;
 		}
-		endgrent();
+        // Not supported in android NDK
-		endpwent();
+		//endgrent();
+		//endpwent();
 	}
 	if (do_chroot) {
 		tzset();	/* for proper timestamps in logs */