bash: changed package versioning (3.2-51 -> 3.2.51) to be more similar to the output of `bash --version`

shells/bash/bash.desc

@@ -41,7 +41,7 @@
 
 [L] GPL
 [S] Stable
-[V] 3.2-51
+[V] 3.2.51
 [P] X -1-3-----9 106.500
 
 [D] 2810112492 bash-3.2.tar.gz     ftp://ftp.gnu.org/pub/gnu/bash/