gallium/util: Fix memory leak
gallium/util: Fix memory leak

Fix a leaked vertex shader in u_blitter.c

Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

CC: "10.1" <59f39c0db42d4479a46b02d4d2bc11120e37bb44@lists.freedesktop.org>

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