More minor cleanup.

src/Diagnostic.cc

@@ -18,9 +18,8 @@ clang::Diagnostic::Diagnostic(CXTranslationUnit& cx_tu, CXDiagnostic& cx_diagnos
   unsigned num_fix_its=clang_getDiagnosticNumFixIts(cx_diagnostic);
   for(unsigned c=0;c<num_fix_its;c++) {
     CXSourceRange fix_it_range;
-    fix_its.emplace_back();
-    fix_its.back().source=clang::to_string(clang_getDiagnosticFixIt(cx_diagnostic, c, &fix_it_range));
-    fix_its.back().offsets=clang::SourceRange(fix_it_range).get_offsets();
+    fix_its.emplace_back(clang::to_string(clang_getDiagnosticFixIt(cx_diagnostic, c, &fix_it_range)),
+                         clang::SourceRange(fix_it_range).get_offsets());
   }
 }
 

src/Diagnostic.h

@@ -12,6 +12,8 @@ namespace clang {
   public:
     class FixIt {
     public:
+      FixIt(const std::string &source, const std::pair<clang::Offset, clang::Offset> &offsets):
+        source(source), offsets(offsets) {}
       std::string source;
       std::pair<clang::Offset, clang::Offset> offsets;
     };