Apply clang-format for core/shared and product-mini files (#785)

Apply clang-format for core/shared and product-mini files

product-mini/app-samples/hello-world-cmake/main.c

@@ -5,9 +5,11 @@
 
 #include "stdio.h"
 
-void print_line(char* str);
+void
+print_line(char *str);
 
-int main()
+int
+main()
 {
     print_line("Hello World!");
     print_line("Wasm Micro Runtime");

product-mini/app-samples/hello-world-cmake/print.c

@@ -6,7 +6,8 @@
 #include "stdio.h"
 #include "string.h"
 
-void print_line(char* str)
+void
+print_line(char *str)
 {
     printf("%s\n", str);
 }

product-mini/app-samples/hello-world/main.c

@@ -6,7 +6,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main(int argc, char **argv)
+int
+main(int argc, char **argv)
 {
     char *buf;