replace dummy code in PIC support, from typedef to unused global variable.

Watcom C compiler does not recognize typedef-only code as something valid.

src/autofit/afpic.c

@@ -146,6 +146,11 @@
     return error;
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _autofit_afpic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/base/basepic.c

@@ -102,6 +102,12 @@
     return error;
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _base_basepic_dummy = 1;
+
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/base/ftpic.c

@@ -49,6 +49,11 @@
     ft_base_pic_free( library );
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _base_ftpic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/cff/cffpic.c

@@ -132,6 +132,11 @@
     return error;
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _cff_cffpic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/pshinter/pshpic.c

@@ -70,6 +70,11 @@
     return error;
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _pshinter_pshpic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/psnames/pspic.c

@@ -91,6 +91,11 @@
   }
 
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _psnames_pspic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/raster/rastpic.c

@@ -83,6 +83,11 @@
     return error;
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _rastter_rastpic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/sfnt/pngshim.c

@@ -444,7 +444,7 @@
 #else /* !(TT_CONFIG_OPTION_EMBEDDED_BITMAPS && FT_CONFIG_OPTION_USE_PNG) */
 
   /* ANSI C doesn't like empty source files */
-  typedef int  _pngshim_dummy;
+  int  _sfnt_pngshim_dummy = 1;
 
 #endif /* !(TT_CONFIG_OPTION_EMBEDDED_BITMAPS && FT_CONFIG_OPTION_USE_PNG) */
 

src/sfnt/sfntpic.c

@@ -137,6 +137,11 @@
     return error;
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _sfnt_sfntpic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/smooth/ftspic.c

@@ -112,6 +112,11 @@
     ft_smooth_renderer_class_pic_free( library );
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _smooth_ftspic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */
 
 

src/truetype/ttgxvar.c

@@ -3762,7 +3762,7 @@
 #else /* !TT_CONFIG_OPTION_GX_VAR_SUPPORT */
 
   /* ANSI C doesn't like empty source files */
-  typedef int  _tt_gxvar_dummy;
+  int  _tt_gxvar_dummy = 1;
 
 #endif /* !TT_CONFIG_OPTION_GX_VAR_SUPPORT */
 

src/truetype/ttpic.c

@@ -95,6 +95,11 @@
     return error;
   }
 
+#else
+
+  /* ANSI C doesn't like empty source files */
+  int  _truetype_ttpic_dummy = 1;
+
 #endif /* FT_CONFIG_OPTION_PIC */