buildzip.pl: fix r27310 and r27317

perl string comparison operator is 'eq', not '=='
$install needs to be concatenated to $rbdir for comparsion

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27340 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 2 insertions, 5 deletions

diff --git a/tools/buildzip.pl b/tools/buildzip.pl
index 36af2b31f3..71c256890b 100755
--- a/tools/buildzip.pl
+++ b/tools/buildzip.pl
@@ -474,11 +474,8 @@ $year+=1900;
 # made once for all targets
 sub runone {
     my ($target, $fonts)=@_;
-    my $samedir=0;
-    
-    if($install) {
-        $samedir = abs_path($install) == abs_path($rbdir);
-    }
+
+    my $samedir = abs_path("$install/$rbdir") eq abs_path($rbdir);
 
     # build a full install .rockbox ($rbdir) directory
     buildzip($target, $fonts);