GN: Return array from pkgconfig wrapper

tools/gn/ninja_binary_target_writer.cc

Index: tools/gn/ninja_binary_target_writer.cc
diff --git a/tools/gn/ninja_binary_target_writer.cc b/tools/gn/ninja_binary_target_writer.cc
index e1344d8d3908470e7d1ec4fe0b3d721b55124271..307fa33c9ac0c425e08d207f742f93877ed9dc46 100644
--- a/tools/gn/ninja_binary_target_writer.cc
+++ b/tools/gn/ninja_binary_target_writer.cc
@@ -17,19 +17,13 @@ namespace {
 // Returns the proper escape options for writing compiler and linker flags.
 EscapeOptions GetFlagOptions() {
   EscapeOptions opts;
-  opts.mode = ESCAPE_NINJA;
-
-  // Some flag strings are actually multiple flags that expect to be just
-  // added to the command line. We assume that quoting is done by the
-  // buildfiles if it wants such things quoted.
-  opts.inhibit_quoting = true;
-
+  opts.mode = ESCAPE_NINJA_SHELL;
   return opts;
 }
 
 struct DefineWriter {
   DefineWriter() {
-    options.mode = ESCAPE_SHELL;
+    options.mode = ESCAPE_NINJA_SHELL;
   }
 
   void operator()(const std::string& s, std::ostream& out) const {