Fixing style according to rules defined in vera++ scripts.

jerry-libc/jerry-libc-defs.h

@@ -52,7 +52,7 @@ libc_fatal (const char *msg,
      libc_fatal ("Code is unreachable", __FILE__, __FUNCTION__, __LINE__); \
    } while (0)
 #else /* !LIBC_NDEBUG */
-# define LIBC_ASSERT(x) do { if (false) { (void)(x); } } while (0)
+# define LIBC_ASSERT(x) do { if (false) { (void) (x); } } while (0)
 # define LIBC_UNREACHABLE() \
    do \
    { \

jerry-libc/jerry-libc-fatals.c

@@ -36,8 +36,8 @@ libc_fatal (const char *msg, /**< fatal error description */
       && file_name != NULL
       && function_name != NULL)
   {
-    printf("Assertion '%s' failed at %s (%s:%u).\n",
-           msg, function_name, file_name, line_number);
+    printf ("Assertion '%s' failed at %s (%s:%u).\n",
+            msg, function_name, file_name, line_number);
   }
 
   exit (LIBC_FATAL_ERROR_EXIT_CODE);

jerry-libc/target/linux/jerry-libc-target.c

@@ -123,7 +123,7 @@ putchar (int c)
  * Output specified string
  */
 int
-puts(const char *s) /**< string to print */
+puts (const char *s) /**< string to print */
 {
   while (*s)
   {