Cleanup for warnings.

src/fmdb/FMResultSet.h

@@ -41,7 +41,7 @@
 
 /** `NSMutableDictionary` mapping column names to numeric index */
 
-@property (readonly) NSMutableDictionary *columnNameToIndexMap;
+@property (nonatomic, readonly) NSMutableDictionary *columnNameToIndexMap;
 
 /** `FMStatement` used by result set. */
 

src/fmdb/FMResultSet.m

@@ -314,7 +314,7 @@ - (NSData*)dataForColumnIndex:(int)columnIdx {
         return nil;
     }
     
-    const char *dataBuffer = sqlite3_column_blob([_statement statement], columnIdx);
+    const void *dataBuffer = sqlite3_column_blob([_statement statement], columnIdx);
     int dataSize = sqlite3_column_bytes([_statement statement], columnIdx);
 
     if (dataBuffer == NULL) {
@@ -335,7 +335,7 @@ - (NSData*)dataNoCopyForColumnIndex:(int)columnIdx {
         return nil;
     }
   
-    const char *dataBuffer = sqlite3_column_blob([_statement statement], columnIdx);
+    const void *dataBuffer = sqlite3_column_blob([_statement statement], columnIdx);
     int dataSize = sqlite3_column_bytes([_statement statement], columnIdx);
     
     NSData *data = [NSData dataWithBytesNoCopy:(void *)dataBuffer length:(NSUInteger)dataSize freeWhenDone:NO];