Change plt_name size from 100 to 200.

I have jni code with very large symbol names (150 chars max).
This change avoids having names classes.

tccelf.c

@@ -1069,7 +1069,7 @@ static struct sym_attr * put_got_entry(TCCState *s1, int dyn_reloc_type,
     ElfW(Sym) *sym;
     struct sym_attr *attr;
     unsigned got_offset;
-    char plt_name[100];
+    char plt_name[200];
     int len;
     Section *s_rel;