- Fix awk detection

Index: moz.configure
--- moz.configure.orig
+++ moz.configure
@@ -602,7 +602,7 @@ include(
 
 # Awk detection
 # ==============================================================
-awk = check_prog("AWK", ("gawk", "mawk", "nawk", "awk"), paths=prefer_mozillabuild_path)
+awk = check_prog('AWK', ('awk',))
 
 # Until the AWK variable is not necessary in old-configure
 
