ui: Fix font and box sizes for unit defense labels on the sidebar

This fixes the "def" label (previously unknown to everybody before the
sdl_ttf_compat API transition!) having the wrong box size and alignment.
This also extends to its accompanying unit defense report, which had the
wrong font size entirely.

data/themes/default.cfg

@@ -169,7 +169,7 @@
             id=label-def
             font_size={DEFAULT_FONT_TINY}
             text= _ "def"
-            rect="+1,=,=,+12"
+            rect="+1,=,=,+14"
             xanchor=right
             yanchor=fixed
         [/label]
@@ -485,8 +485,8 @@
             [unit_defense]
                 ref=label-def
                 id=unit-defense
-                font_size={DEFAULT_FONT_SMALL}
-                rect="=-5,+0,+30,+16"
+                font_size={DEFAULT_FONT_TINY}
+                rect="=-5,+0,+30,+14"
                 xanchor=right
                 yanchor=fixed
             [/unit_defense]