Add shared library targets.
Fix a grammo from a previous CL.
Change-Id: Icc683d3a73a542519a6ccefc0f653664f236c24b
diff --git a/include/ceres/jet.h b/include/ceres/jet.h
index 49a9098..1266acf 100644
--- a/include/ceres/jet.h
+++ b/include/ceres/jet.h
@@ -220,7 +220,7 @@
// gets allocated on the stack and as part of other arrays and
// structs. Forcing the right alignment there is the source of much
// pain and suffering. Even if that works, passing Jets around to
- // functions by value has problem because the C++ ABI does not
+ // functions by value has problems because the C++ ABI does not
// guarantee alignment for function arguments.
//
// Setting the DontAlign bit prevents Eigen from using SSE for the