ver_linux: procps, look for numerical input, not field number

Rely on regex to find the version number, rather than rely on numerical input to be found in a particular input field.
Proposed implementation also eliminates the necessity to invoke 'grep' + 'awk'.
Signed-off-by: Alexander Kapshuk <alexander.kapshuk@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

scripts/ver_linux

@@ -133,8 +133,12 @@ sed '
 	s!.*so\.!!
 	s!^!Linux C++ Library\t!
 '
-ps --version 2>&1 | grep version | awk \
-'NR==1{print "Procps                ", $NF}'
+ps --version 2>&1 |
+awk '/version/{
+	match($0, /[0-9]+([.]?[0-9]+)+/)
+	printf("Procps\t\t\t%s\n",
+	substr($0,RSTART,RLENGTH))
+}'
 
 ifconfig --version 2>&1 | grep tools | awk \
 'NR==1{print "Net-tools             ", $NF}'