Initialize variable.

diff --git a/Process.c b/Process.c
index 50aac7c..e0d9b35 100644
--- a/Process.c
+++ b/Process.c
@@ -132,6 +132,7 @@
    this->utime = 0;
    this->stime = 0;
    this->comm = NULL;
+   this->indent = 0;
    if (Process_getuid == -1) Process_getuid = getuid();
    return this;
 }