Rewrote the GG_STRONG_SIZE_TYPEDEF() macro with the help of the helper macros used to rewrite the GG_STRONG_DOUBLE_TYPEDEF() and GG_STRONG_INTEGRAL_TYPEDEF() macros in revision 977.  This fixes a serious regression introduced in the first StringTypedef.h rewrite, which caused Edits and MultiEdits to go crazy when having text selected.
Rewrote the GG_STRONG_SIZE_TYPEDEF() macro with the help of the helper macros
used to rewrite the GG_STRONG_DOUBLE_TYPEDEF() and
GG_STRONG_INTEGRAL_TYPEDEF() macros in revision 977.  This fixes a serious
regression introduced in the first StringTypedef.h rewrite, which caused Edits
and MultiEdits to go crazy when having text selected.


tzlaine/GG,tzlaine/GG,tzlaine/GG,tzlaine/GG