Fix return type of glGetAttribLocation and glGetUniformLocation

from int to GLint.

See:
   http://www.khronos.org/opengles/sdk/docs/man/xhtml/glGetAttribLocation.xml
   http://www.khronos.org/opengles/sdk/docs/man/xhtml/glGetUniformLocation.xml

Change-Id: I4a9f8e9e34b8c3cca239ae84bfe8f3cdfd94802a
diff --git a/opengl/libs/entries.in b/opengl/libs/entries.in
index 6316d78..b9a51a4 100644
--- a/opengl/libs/entries.in
+++ b/opengl/libs/entries.in
@@ -160,7 +160,7 @@
 GL_ENTRY(void, glGetActiveAttrib, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
 GL_ENTRY(void, glGetActiveUniform, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
 GL_ENTRY(void, glGetAttachedShaders, GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders)
-GL_ENTRY(int, glGetAttribLocation, GLuint program, const GLchar* name)
+GL_ENTRY(GLint, glGetAttribLocation, GLuint program, const GLchar* name)
 GL_ENTRY(void, glGetBooleanv, GLenum pname, GLboolean *params)
 GL_ENTRY(void, glGetBufferParameteriv, GLenum target, GLenum pname, GLint *params)
 GL_ENTRY(void, glGetBufferPointervOES, GLenum target, GLenum pname, GLvoid ** params)
@@ -218,7 +218,7 @@
 GL_ENTRY(void, glGetTexParameteriv, GLenum target, GLenum pname, GLint *params)
 GL_ENTRY(void, glGetTexParameterxv, GLenum target, GLenum pname, GLfixed *params)
 GL_ENTRY(void, glGetTexParameterxvOES, GLenum target, GLenum pname, GLfixed *params)
-GL_ENTRY(int, glGetUniformLocation, GLuint program, const GLchar* name)
+GL_ENTRY(GLint, glGetUniformLocation, GLuint program, const GLchar* name)
 GL_ENTRY(void, glGetUniformfv, GLuint program, GLint location, GLfloat* params)
 GL_ENTRY(void, glGetUniformiv, GLuint program, GLint location, GLint* params)
 GL_ENTRY(void, glGetVertexAttribPointerv, GLuint index, GLenum pname, GLvoid** pointer)