Fix typo

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194744 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 86faf0d..ceef90f 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1708,7 +1708,7 @@
       CmdArgs.push_back("-mrelax-all");
 
     // When passing -I arguments to the assembler we sometimes need to
-    // uncontionally take the next argument.  For example, when parsing
+    // unconditionally take the next argument.  For example, when parsing
     // '-Wa,-I -Wa,foo' we need to accept the -Wa,foo arg after seeing the
     // -Wa,-I arg and when parsing '-Wa,-I,foo' we need to accept the 'foo'
     // arg after parsing the '-I' arg.