Refer to local headers locally with #include "" not #include <>.

Required now that we've got rid of the libtomcrypt variants that were
'accidentally' being included in the -I path

--HG--
branch : libtommath-dropbear
extra : convert_revision : 40ab3795de3a6157f34e52ed3f0be3eebe9a2eaa

tommath.h

@@ -21,7 +21,7 @@
 #include <ctype.h>
 #include <limits.h>
 
-#include <tommath_class.h>
+#include "tommath_class.h"
 
 #undef MIN
 #define MIN(x,y) ((x)<(y)?(x):(y))

tommath_class.h

@@ -987,8 +987,8 @@
 #ifdef LTM3
 #define LTM_LAST
 #endif
-#include <tommath_superclass.h>
-#include <tommath_class.h>
+#include "tommath_superclass.h"
+#include "tommath_class.h"
 #else
 #define LTM_LAST
 #endif