Eli noticed that I had forgotten some #defines. Add them.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61445 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Headers/float.h b/lib/Headers/float.h
index bb401f5..28fb882 100644
--- a/lib/Headers/float.h
+++ b/lib/Headers/float.h
@@ -36,6 +36,10 @@
 
 #define DECIMAL_DIG __DECIMAL_DIG__
 
+#define FLT_DIG __FLT_DIG__
+#define DBL_DIG __DBL_DIG__
+#define LDBL_DIG __LDBL_DIG__
+
 #define FLT_MIN_EXP __FLT_MIN_EXP__
 #define DBL_MIN_EXP __DBL_MIN_EXP__
 #define LDBL_MIN_EXP __LDBL_MIN_EXP__
@@ -44,6 +48,14 @@
 #define DBL_MIN_10_EXP __DBL_MIN_10_EXP__
 #define LDBL_MIN_10_EXP __LDBL_MIN_10_EXP__
 
+#define FLT_MAX_EXP __FLT_MAX_EXP__
+#define DBL_MAX_EXP __DBL_MAX_EXP__
+#define LDBL_MAX_EXP __LDBL_MAX_EXP__
+
+#define FLT_MAX_10_EXP __FLT_MAX_10_EXP__
+#define DBL_MAX_10_EXP __DBL_MAX_10_EXP__
+#define LDBL_MAX_10_EXP __LDBL_MAX_10_EXP__
+
 #define FLT_MAX __FLT_MAX__
 #define DBL_MAX __DBL_MAX__
 #define LDBL_MAX __LDBL_MAX__