Fix a typo, depricated -> deprecated

Differential Revision: https://reviews.llvm.org/D22849

llvm-svn: 282534
diff --git a/llvm/tools/llvm-mc/llvm-mc.cpp b/llvm/tools/llvm-mc/llvm-mc.cpp
index 81ee3d8..78ad876 100644
--- a/llvm/tools/llvm-mc/llvm-mc.cpp
+++ b/llvm/tools/llvm-mc/llvm-mc.cpp
@@ -66,7 +66,7 @@
     clEnumValN(DebugCompressionType::DCT_Zlib, "zlib",
       "Use zlib compression"),
     clEnumValN(DebugCompressionType::DCT_ZlibGnu, "zlib-gnu",
-      "Use zlib-gnu compression (depricated)"),
+      "Use zlib-gnu compression (deprecated)"),
     clEnumValEnd));
 
 static cl::opt<bool>