whitespace

Signed-off-by: Daniel A. Steffen <dsteffen@apple.com>

Author: das

INSTALL.md

@@ -69,9 +69,9 @@ To create the toolchain with libdispatch Using build-toolchain in Linux:
     ```
     ./swift/utils/build-toolchain local.swift
     ```
-    
+
 Note that adding libdispatch in build-presets.ini is for Linux only as Swift on macOS platforms uses the system installed libdispatch, so its not required.
-    
+
 ### Building and installing on OS X
 
 The following configure options may be of general interest:
@@ -150,13 +150,13 @@ Note that libdispatch development and testing is done only
 on Ubuntu; currently supported versions are 14.04, 15.10 and 16.04.
 
 1. The first thing to do is install required packages:
-    
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  1a. Install build tools and clang compiler.
     `sudo apt-get install autoconf libtool pkg-config clang`
- 
+
  1b. Install dtrace (to generate provider.h)
     `sudo apt-get install systemtap-sdt-dev`
- 
+
  1c. Install additional libdispatch dependencies
     `sudo apt-get install libblocksruntime-dev libkqueue-dev libbsd-dev`
 
@@ -174,7 +174,7 @@ to get the gold linker.
     git submodule init
     git submodule update
     ```
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 3. Build (as in the general instructions above)
 
     ```