Fixed warnings with -Weverything

test/core/core_type_vec3.cpp

@@ -7,9 +7,9 @@
 #include <cstdio>
 #include <vector>
 
-static glm::vec3 v1;
-static glm::vec3 v2(1);
-static glm::vec3 v3(1, 1, 1);
+static glm::vec3 g1;
+static glm::vec3 g2(1);
+static glm::vec3 g3(1, 1, 1);
 
 int test_vec3_ctor()
 {

test/core/core_type_vec4.cpp

@@ -8,9 +8,9 @@
 #include <ctime>
 #include <vector>
 
-static glm::vec4 v1;
-static glm::vec4 v2(1);
-static glm::vec4 v3(1, 1, 1, 1);
+static glm::vec4 g1;
+static glm::vec4 g2(1);
+static glm::vec4 g3(1, 1, 1, 1);
 
 template <int Value>
 struct mask