fix compile error

Author: MayuriNFC

c/bubblesort/CMakeLists.txt

@@ -1,12 +1,13 @@
 PROJECT(BUBBLESORT)
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.9)
 INCLUDE_DIRECTORIES(
   ${CMAKE_BINARY_DIR}/../include
 )
 AUX_SOURCE_DIRECTORY(
   ${CMAKE_BINARY_DIR}/../src
+  DIR_SRC
 )
 ADD_EXECUTABLE(
   bubblesort
-  bubblesort.cpp
+  ${DIR_SRC}
 )

c/bubblesort/src/bubble.c

@@ -1,7 +1,10 @@
-#include "bubblesort.h"
+#include "../include/bubblesort.h"
 int main(){
     int a[] = {1,2,3,4,5,6,7,8,9,10};
-    bubblesort(a);
+    int i;
+    for (i=0;i<sizeof(a)/sizeof(a[0]);i++){
+        printf("%d\n",a[i]);
+    }
     return 0;
 }
 int *bubblesort(int *array){
@@ -15,4 +18,5 @@ int *bubblesort(int *array){
             }
         }
     }
+    return *array;
 }