[globalisel] Fix typo in 'Add LLVMDev 2019 talks and links for the 2017 talks'

Author: dsandersllvm

llvm/docs/GlobalISel.rst

@@ -938,4 +938,4 @@ Resources
 * `GlobalISel - LLVM's Latest Instruction Selection Framework by Diana Picus @FOSDEM17 <https://www.youtube.com/watch?v=d6dF6E4BPeU>`_
 * `GlobalISel: Past, Present, and Future by Quentin Colombet and Ahmed Bougacha @LLVMDevMeeting 2017 <https://www.llvm.org/devmtg/2017-10/#talk11>`_
 * `Head First into GlobalISel by Daniel Sanders, Aditya Nandakumar, and Justin Bogner @LLVMDevMeeting 2017 <https://www.llvm.org/devmtg/2017-10/#tutorial2>`_
-* `Generating Optimized Code with GlobalISel by Volkan Keles, Daniel Sanders @LLVMDevMeeting 2019 <https://www.llvm.org/devmtg/2019-10/talk-abstracts.html#keynote1`_
+* `Generating Optimized Code with GlobalISel by Volkan Keles, Daniel Sanders @LLVMDevMeeting 2019 <https://www.llvm.org/devmtg/2019-10/talk-abstracts.html#keynote1>`_