Fixed compilation on Linux (#15127)

docs/snippets/CMakeLists.txt

@@ -80,6 +80,10 @@ list(REMOVE_ITEM SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/dldt_optimization_guide2.c
                          "${CMAKE_CURRENT_SOURCE_DIR}/dldt_optimization_guide3.cpp"
                          "${CMAKE_CURRENT_SOURCE_DIR}/dldt_optimization_guide4.cpp")
 
+# build separatelly as ov_integration_snippet and ov_integration_snippet_c
+list(REMOVE_ITEM SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/main.c"
+                         "${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp")
+
 # create a static library
 
 add_library(${TARGET_NAME} STATIC ${SOURCES})

docs/snippets/src/main.c

@@ -6,7 +6,7 @@
 #include <openvino/c/openvino.h>
 //! [include]
 
-int main_c() {
+int main() {
 //! [part1]
 ov_core_t* core = NULL;
 ov_core_create(&core);

docs/snippets/src/main.cpp

@@ -6,7 +6,7 @@
 #include <openvino/openvino.hpp>
 //! [include]
 
-int main_cpp() {
+int main() {
 //! [part1]
 ov::Core core;
 //! [part1]