Adjust coding style for C Generator

Adjust coding style for C Generator

- Removes unnecessary blank lines
+------------------------------+------------------------------+
| Before                       | After                        |
+------------------------------+------------------------------+
| static void func(void)       | static void func(void)       |
| {                            | {                            |
|     int k;                   |         int k;               |
|                              |                              |
|                              |         printf("Test");      |
|     printf("Test");          | }                            |
|                              |                              |
|                              |                              |
| }                            |                              |
+------------------------------+------------------------------+

Change-Id: I642c904d83eb7c426b7276fe2c122b0a9ec7fe14
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>