uninitialized vars on nerd.c

[Ricardo Jose Maraschini]

fix warnings regarding uninitialized vars on nerd.c

Index: base/nerd.c
===================================================================
--- base/nerd.c	(revision 2472)
+++ base/nerd.c	(working copy)
@@ -298,9 +298,9 @@
 static int chan_opath_checks(int cb, void *data)
 {
 	const int red = 0xff0000, green = 0xff00, blue = 0xff, pale = 0x555555;
-	unsigned int color;
-	check_result *cr;
-	host *h;
+	unsigned int color = 0x0;
+	check_result *cr = NULL;
+	host *h = NULL;
 	const char *name = "_HOST_";
 	char *buf = NULL;

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