Fix a ton of comment typos found by codespell.  Patch by
Luis Felipe Strano Moraes!

llvm-svn: 129558
diff --git a/llvm/lib/CodeGen/ELFWriter.cpp b/llvm/lib/CodeGen/ELFWriter.cpp
index b321a15..fa2319b 100644
--- a/llvm/lib/CodeGen/ELFWriter.cpp
+++ b/llvm/lib/CodeGen/ELFWriter.cpp
@@ -77,7 +77,7 @@
   // Create the object code emitter object for this target.
   ElfCE = new ELFCodeEmitter(*this);
 
-  // Inital number of sections
+  // Initial number of sections
   NumSections = 0;
 }