Fixed official chromium build on Linux

A warning treated as an error was causing the
official build to fail. Added -Wno-unused-result
to the LLVM build file to solve the issue.

Also ran 'git cl format' on the BUILD.gn files
to fix all formatting issues.

Change-Id: I235c7d9d3e60f788e1dc694a40991c214e6c77e3
Reviewed-on: https://swiftshader-review.googlesource.com/8110
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Alexis Hétu <sugoi@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index e6e7a8e..ae6087e 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -15,18 +15,18 @@
 config("swiftshader_config") {
   if (is_win) {
     cflags = [
-      "/GS", # Detects some buffer overruns
+      "/GS",  # Detects some buffer overruns
       "/Zc:wchar_t",
       "/D_CRT_SECURE_NO_DEPRECATE",
       "/DNOMINMAX",
       "/D_WINDLL",
       "/EHsc",
       "/nologo",
-      "/Gd", # Default calling convention
+      "/Gd",  # Default calling convention
     ]
 
     if (is_debug) {
-      cflags += [ "/RTC1" ] # Run-Time Error Checks
+      cflags += [ "/RTC1" ]  # Run-Time Error Checks
     } else {
       cflags += [ "/DANGLE_DISABLE_TRACE" ]
     }
@@ -35,7 +35,7 @@
 
     if (is_debug) {
       cflags += [ "-g" ]
-    } else { # Release
+    } else {  # Release
       # All Release builds use function/data sections to make the shared libraries smaller
       cflags += [
         "-ffunction-sections",
@@ -47,17 +47,17 @@
       # Choose the right Release architecture
       if (target_cpu == "x64") {
         cflags += [ "-march=core2" ]
-      } else { # 32
+      } else {  # 32
         cflags += [ "-march=i686" ]
       }
     }
 
-    if (target_cpu == "x64") { # 64 bit version
+    if (target_cpu == "x64") {  # 64 bit version
       cflags += [
         "-m64",
         "-fPIC",
       ]
-    } else { # 32 bit version
+    } else {  # 32 bit version
       cflags += [ "-m32" ]
     }
   }
@@ -76,4 +76,4 @@
   data_deps = [
     "tests/unittests:swiftshader_unittests",
   ]
-}
\ No newline at end of file
+}