mesalib: Update version from 17.1.6 to 17.1.7

Bug fixes in Mesa 17.1.7 [1].

> *   Bug 101334 - AMD SI cards: Some vulkan apps freeze the system
> *   Bug 101766 - Assertion `!"invalid type"' failed when constant
>     expression involves literal of different type
> *   Bug 102024 - FORMAT_FEATURE_SAMPLED_IMAGE_BIT not supported for
>     D16_UNORM and D32_SFLOAT
> *   Bug 102148 - Crash when running qopenglwidget example on mesa
>     llvmpipe win32
> *   Bug 102241 - gallium/wgl: SwapBuffers freezing regularly with swap
>     interval enabled

[1] https://www.mesa3d.org/relnotes/17.1.7.html

mesalib.be0

@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION mesalib-17.1.6-0
+# BEE_VERSION mesalib-17.1.7-0
 
 ## this file was created by bee init and should be executed to build a
 ## bee-package. (Additional hints are located at the end of this file.)