Fix wrong parsing of malformed dict.

m-dict.h

@@ -885,7 +885,7 @@
     if (M_UNLIKELY (c != '{')) return false;                                  \
     c = m_core_fgetc_nospace(file);                                           \
     if (M_UNLIKELY(c == '}')) return true;                                    \
-    if (M_UNLIKELY (c == EOF)) return true;                                   \
+    if (M_UNLIKELY (c == EOF)) return false;                                  \
     ungetc(c, file);                                                          \
     key_type key;                                                             \
     M_IF(isSet)( ,value_type value);                                          \