Expose __word_encode{Float,Double}; fixes integer-simple build

includes/rts/PrimFloat.h

@@ -14,5 +14,7 @@
 
 StgDouble __int_encodeDouble (I_ j, I_ e);
 StgFloat  __int_encodeFloat (I_ j, I_ e);
+StgDouble __word_encodeDouble (W_ j, I_ e);
+StgFloat  __word_encodeFloat (W_ j, I_ e);
 
 #endif /* RTS_PRIMFLOAT_H */

rts/StgPrimFloat.h

@@ -14,10 +14,8 @@
 /* grimy low-level support functions defined in StgPrimFloat.c */
 void      __decodeDouble_2Int (I_ *man_sign, W_ *man_high, W_ *man_low, I_ *exp, StgDouble dbl);
 void      __decodeFloat_Int (I_ *man, I_ *exp, StgFloat flt);
-StgDouble __word_encodeDouble (W_ j, I_ e);
-StgFloat  __word_encodeFloat (W_ j, I_ e);
 
-// __int_encodeDouble and __int_encodeFloat are public, declared in 
+// __{int,word}_encode{Float,Double} are public, declared in 
 // includes/rts/PrimFloat.h.
 
 #include "EndPrivate.h"