Tweak some of the commands in the "Updating clang-format binaries" doc

R=scottmg@chromium.org
BUG=none
NOTRY=true

Review-Url: https://codereview.chromium.org/2648353009
Cr-Commit-Position: refs/heads/master@{#446245}

docs/updating_clang_format_binaries.md

@@ -28,7 +28,7 @@ Windows step-by-step:
 # [double check you have the tools you need]
 where cmake.exe  # You need to install this.
 where svn.exe  # Maybe fix with: set PATH=%PATH%;D:\src\depot_tools\svn_bin
-"c:\Program Files (x86)\Microsoft Visual Studio 12.0\vc\vcvarsall.bat" amd64_x86
+"c:\Program Files (x86)\Microsoft Visual Studio 14.0\vc\vcvarsall.bat" amd64_x86
 
 set CLANG_REV=198831  # You must change this value (see above)
 
@@ -43,8 +43,8 @@ svn co http://llvm.org/svn/llvm-project/cfe/trunk@%CLANG_REV% clang
 cd ..\..\llvm-build
 set CC=cl
 set CXX=cl
-cmake -G Ninja ..\llvm -DCMAKE_BUILD_TYPE=Release -DLLVM_USE_CRT_RELEASE=MT \
-    -DLLVM_ENABLE_ASSERTIONS=NO -DLLVM_ENABLE_THREADS=NO \
+cmake -G Ninja ..\llvm -DCMAKE_BUILD_TYPE=Release -DLLVM_USE_CRT_RELEASE=MT ^
+    -DLLVM_ENABLE_ASSERTIONS=NO -DLLVM_ENABLE_THREADS=NO ^
     -DPYTHON_EXECUTABLE=d:\src\depot_tools\python276_bin\python.exe
 ninja clang-format
 bin\clang-format.exe --version
@@ -65,7 +65,7 @@ svn co http://llvm.org/svn/llvm-project/cfe/trunk@$CLANG_REV clang
 cd ../../llvm-build
 
 # Option 1: with cmake
-MACOSX_DEPLOYMENT_TARGET=10.9 cmake -G Ninja  -DCMAKE_BUILD_TYPE=Release \
+MACOSX_DEPLOYMENT_TARGET=10.9 cmake -G Ninja -DCMAKE_BUILD_TYPE=Release \
     -DLLVM_ENABLE_ASSERTIONS=NO -DLLVM_ENABLE_THREADS=NO ../llvm/
 time caffeinate ninja clang-format
 strip bin/clang-format