pkg-stats: cnt should start with 0

The package count, cnt, should start with an initial value of 0.  It
is incremented as each package *.mk file is checked.  Starting with a
value of 1 makes the first ID = 2 and results in the TOTAL being off
by 1.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

support/scripts/pkg-stats

@@ -73,7 +73,7 @@ convert_to_generic_target=0
 convert_to_generic_host=0
 convert_to_autotools=0
 total_patch_count=0
-cnt=1
+cnt=0
 for i in $(find package/ -name '*.mk') ; do
 
     if test \