Move definition of ConversionSpecifier::toString() to FormatString.cpp

It's declared in FormatString.h, so it shouldn't be defined in
PrintfFormatString.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146253 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/FormatString.cpp b/lib/Analysis/FormatString.cpp
index 0853164..fe30847 100644
--- a/lib/Analysis/FormatString.cpp
+++ b/lib/Analysis/FormatString.cpp
@@ -399,6 +399,47 @@
 }
 
 //===----------------------------------------------------------------------===//
+// Methods on ConversionSpecifier.
+//===----------------------------------------------------------------------===//
+
+const char *ConversionSpecifier::toString() const {
+  switch (kind) {
+  case dArg: return "d";
+  case iArg: return "i";
+  case oArg: return "o";
+  case uArg: return "u";
+  case xArg: return "x";
+  case XArg: return "X";
+  case fArg: return "f";
+  case FArg: return "F";
+  case eArg: return "e";
+  case EArg: return "E";
+  case gArg: return "g";
+  case GArg: return "G";
+  case aArg: return "a";
+  case AArg: return "A";
+  case cArg: return "c";
+  case sArg: return "s";
+  case pArg: return "p";
+  case nArg: return "n";
+  case PercentArg:  return "%";
+  case ScanListArg: return "[";
+  case InvalidSpecifier: return NULL;
+
+  // MacOS X unicode extensions.
+  case CArg: return "C";
+  case SArg: return "S";
+
+  // Objective-C specific specifiers.
+  case ObjCObjArg: return "@";
+
+  // GlibC specific specifiers.
+  case PrintErrno: return "m";
+  }
+  return NULL;
+}
+
+//===----------------------------------------------------------------------===//
 // Methods on OptionalAmount.
 //===----------------------------------------------------------------------===//
 
@@ -423,10 +464,6 @@
   }
 }
 
-//===----------------------------------------------------------------------===//
-// Methods on ConversionSpecifier.
-//===----------------------------------------------------------------------===//
-
 bool FormatSpecifier::hasValidLengthModifier() const {
   switch (LM.getKind()) {
     case LengthModifier::None: