[RISCV] Remove stray slash from comment. NFC

Author: topperc

llvm/lib/Target/RISCV/RISCVISelLowering.cpp

@@ -4839,7 +4839,7 @@ SDValue RISCVTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
 
     // This is an i64 value that lives in two scalar registers. We have to
     // insert this in a convoluted way. First we build vXi64 splat containing
-    // the/ two values that we assemble using some bit math. Next we'll use
+    // the two values that we assemble using some bit math. Next we'll use
     // vid.v and vmseq to build a mask with bit 0 set. Then we'll use that mask
     // to merge element 0 from our splat into the source vector.
     // FIXME: This is probably not the best way to do this, but it is