package/aircrack-ng: search wireless-tools in $PATH, too

No idea why they use a hardcoded path list, it isn't even hard to
implement to use the standard way.

package/aircrack-ng/Makefile

@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		aircrack-ng
 PKG_VERSION:=		1.1
-PKG_RELEASE:=		1
+PKG_RELEASE:=		2
 PKG_MD5SUM:=		f7a24ed8fad122c4187d06bfd6f998b4
 PKG_DESCR:=		set of tools for auditing wireless networks
 PKG_SECTION:=		wifi

package/aircrack-ng/patches/patch-src_osdep_linux_c

@@ -0,0 +1,26 @@
+	When search for wireless-tools, also check $PATH
+--- aircrack-ng-1.1.orig/src/osdep/linux.c	2009-07-25 03:48:40.000000000 +0200
++++ aircrack-ng-1.1/src/osdep/linux.c	2012-01-12 16:22:05.772390762 +0100
+@@ -244,6 +244,7 @@ static char * wiToolsPath(const char * t
+                 "/usr/local/bin",
+                 "/tmp"
+         };
++	char *envpath, *token;
+ 
+         nbelems = sizeof(paths) / sizeof(char *);
+ 
+@@ -254,6 +255,14 @@ static char * wiToolsPath(const char * t
+                         return path;
+         }
+ 
++	/* search again in $PATH */
++	for (envpath = getenv("PATH"); ; envpath = NULL) {
++		if ((token = strtok(envpath, ":")) == NULL)
++			break;
++		if ((path = searchInside(token, tool)) != NULL)
++			return path;
++	}
++
+         return NULL;
+ }
+